Better 64-bit handling in the installer.

dist/windows/installer-translations/afrikaans.nsi

@@ -22,6 +22,8 @@ LangString inst_uninstall_question ${LANG_AFRIKAANS} "A previous installation wa
 LangString inst_unist ${LANG_AFRIKAANS} "Uninstalling previous version."
 ;LangString launch_qbt ${LANG_ENGLISH} "Launch qBittorrent."
 LangString launch_qbt ${LANG_AFRIKAANS} "Launch qBittorrent."
+;LangString inst_requires_64bit ${LANG_ENGLISH} "This installer works only in 64-bit Windows versions."
+LangString inst_requires_64bit ${LANG_AFRIKAANS} "This installer works only in 64-bit Windows versions."
 
 
 ;------------------------------------

dist/windows/installer-translations/albanian.nsi

@@ -22,6 +22,8 @@ LangString inst_uninstall_question ${LANG_ALBANIAN} "A previous installation was
 LangString inst_unist ${LANG_ALBANIAN} "Uninstalling previous version."
 ;LangString launch_qbt ${LANG_ENGLISH} "Launch qBittorrent."
 LangString launch_qbt ${LANG_ALBANIAN} "Launch qBittorrent."
+;LangString inst_requires_64bit ${LANG_ENGLISH} "This installer works only in 64-bit Windows versions."
+LangString inst_requires_64bit ${LANG_ALBANIAN} "This installer works only in 64-bit Windows versions."
 
 
 ;------------------------------------

dist/windows/installer-translations/arabic.nsi

@@ -22,6 +22,8 @@ LangString inst_uninstall_question ${LANG_ARABIC} "A previous installation was d
 LangString inst_unist ${LANG_ARABIC} "جاري ازالة النسخة السابقة من البرنامج"
 ;LangString launch_qbt ${LANG_ENGLISH} "Launch qBittorrent."
 LangString launch_qbt ${LANG_ARABIC} "تشغيل البرنامج"
+;LangString inst_requires_64bit ${LANG_ENGLISH} "This installer works only in 64-bit Windows versions."
+LangString inst_requires_64bit ${LANG_ARABIC} "This installer works only in 64-bit Windows versions."
 
 
 ;------------------------------------

dist/windows/installer-translations/basque.nsi

@@ -22,6 +22,8 @@ LangString inst_uninstall_question ${LANG_BASQUE} "A previous installation was d
 LangString inst_unist ${LANG_BASQUE} "Aurreko bertsioa kentzen."
 ;LangString launch_qbt ${LANG_ENGLISH} "Launch qBittorrent."
 LangString launch_qbt ${LANG_BASQUE} "Abiarazi qBittorrent."
+;LangString inst_requires_64bit ${LANG_ENGLISH} "This installer works only in 64-bit Windows versions."
+LangString inst_requires_64bit ${LANG_BASQUE} "This installer works only in 64-bit Windows versions."
 
 
 ;------------------------------------

dist/windows/installer-translations/belarusian.nsi

@@ -22,6 +22,8 @@ LangString inst_uninstall_question ${LANG_BELARUSIAN} "A previous installation w
 LangString inst_unist ${LANG_BELARUSIAN} "Uninstalling previous version."
 ;LangString launch_qbt ${LANG_ENGLISH} "Launch qBittorrent."
 LangString launch_qbt ${LANG_BELARUSIAN} "Launch qBittorrent."
+;LangString inst_requires_64bit ${LANG_ENGLISH} "This installer works only in 64-bit Windows versions."
+LangString inst_requires_64bit ${LANG_BELARUSIAN} "This installer works only in 64-bit Windows versions."
 
 
 ;------------------------------------

dist/windows/installer-translations/bosnian.nsi

@@ -22,6 +22,8 @@ LangString inst_uninstall_question ${LANG_BOSNIAN} "A previous installation was
 LangString inst_unist ${LANG_BOSNIAN} "Uninstalling previous version."
 ;LangString launch_qbt ${LANG_ENGLISH} "Launch qBittorrent."
 LangString launch_qbt ${LANG_BOSNIAN} "Launch qBittorrent."
+;LangString inst_requires_64bit ${LANG_ENGLISH} "This installer works only in 64-bit Windows versions."
+LangString inst_requires_64bit ${LANG_BOSNIAN} "This installer works only in 64-bit Windows versions."
 
 
 ;------------------------------------

dist/windows/installer-translations/breton.nsi

@@ -22,6 +22,8 @@ LangString inst_uninstall_question ${LANG_BRETON} "A previous installation was d
 LangString inst_unist ${LANG_BRETON} "Uninstalling previous version."
 ;LangString launch_qbt ${LANG_ENGLISH} "Launch qBittorrent."
 LangString launch_qbt ${LANG_BRETON} "Launch qBittorrent."
+;LangString inst_requires_64bit ${LANG_ENGLISH} "This installer works only in 64-bit Windows versions."
+LangString inst_requires_64bit ${LANG_BRETON} "This installer works only in 64-bit Windows versions."
 
 
 ;------------------------------------

dist/windows/installer-translations/bulgarian.nsi

@@ -22,6 +22,8 @@ LangString inst_uninstall_question ${LANG_BULGARIAN} "A previous installation wa
 LangString inst_unist ${LANG_BULGARIAN} "Uninstalling previous version."
 ;LangString launch_qbt ${LANG_ENGLISH} "Launch qBittorrent."
 LangString launch_qbt ${LANG_BULGARIAN} "Launch qBittorrent."
+;LangString inst_requires_64bit ${LANG_ENGLISH} "This installer works only in 64-bit Windows versions."
+LangString inst_requires_64bit ${LANG_BULGARIAN} "This installer works only in 64-bit Windows versions."
 
 
 ;------------------------------------

dist/windows/installer-translations/catalan.nsi

@@ -22,6 +22,8 @@ LangString inst_uninstall_question ${LANG_CATALAN} "A previous installation was
 LangString inst_unist ${LANG_CATALAN} "Uninstalling previous version."
 ;LangString launch_qbt ${LANG_ENGLISH} "Launch qBittorrent."
 LangString launch_qbt ${LANG_CATALAN} "Launch qBittorrent."
+;LangString inst_requires_64bit ${LANG_ENGLISH} "This installer works only in 64-bit Windows versions."
+LangString inst_requires_64bit ${LANG_CATALAN} "This installer works only in 64-bit Windows versions."
 
 
 ;------------------------------------

dist/windows/installer-translations/croatian.nsi

@@ -22,6 +22,8 @@ LangString inst_uninstall_question ${LANG_CROATIAN} "A previous installation was
 LangString inst_unist ${LANG_CROATIAN} "Deinstaliraj prethodnu verziju."
 ;LangString launch_qbt ${LANG_ENGLISH} "Launch qBittorrent."
 LangString launch_qbt ${LANG_CROATIAN} "Pokreni qBittorrent."
+;LangString inst_requires_64bit ${LANG_ENGLISH} "This installer works only in 64-bit Windows versions."
+LangString inst_requires_64bit ${LANG_CROATIAN} "This installer works only in 64-bit Windows versions."
 
 
 ;------------------------------------

dist/windows/installer-translations/czech.nsi

@@ -22,6 +22,8 @@ LangString inst_uninstall_question ${LANG_CZECH} "A previous installation was de
 LangString inst_unist ${LANG_CZECH} "Odebírání předchozí verze."
 ;LangString launch_qbt ${LANG_ENGLISH} "Launch qBittorrent."
 LangString launch_qbt ${LANG_CZECH} "Spustit qBittorrent."
+;LangString inst_requires_64bit ${LANG_ENGLISH} "This installer works only in 64-bit Windows versions."
+LangString inst_requires_64bit ${LANG_CZECH} "This installer works only in 64-bit Windows versions."
 
 
 ;------------------------------------

dist/windows/installer-translations/danish.nsi

@@ -22,6 +22,8 @@ LangString inst_uninstall_question ${LANG_DANISH} "A previous installation was d
 LangString inst_unist ${LANG_DANISH} "Uninstalling previous version."
 ;LangString launch_qbt ${LANG_ENGLISH} "Launch qBittorrent."
 LangString launch_qbt ${LANG_DANISH} "Launch qBittorrent."
+;LangString inst_requires_64bit ${LANG_ENGLISH} "This installer works only in 64-bit Windows versions."
+LangString inst_requires_64bit ${LANG_DANISH} "This installer works only in 64-bit Windows versions."
 
 
 ;------------------------------------

dist/windows/installer-translations/dutch.nsi

@@ -22,6 +22,8 @@ LangString inst_uninstall_question ${LANG_DUTCH} "A previous installation was de
 LangString inst_unist ${LANG_DUTCH} "Uninstalling previous version."
 ;LangString launch_qbt ${LANG_ENGLISH} "Launch qBittorrent."
 LangString launch_qbt ${LANG_DUTCH} "Launch qBittorrent."
+;LangString inst_requires_64bit ${LANG_ENGLISH} "This installer works only in 64-bit Windows versions."
+LangString inst_requires_64bit ${LANG_DUTCH} "This installer works only in 64-bit Windows versions."
 
 
 ;------------------------------------

dist/windows/installer-translations/english.nsi

@@ -22,6 +22,8 @@ LangString inst_uninstall_question ${LANG_ENGLISH} "A previous installation was
 LangString inst_unist ${LANG_ENGLISH} "Uninstalling previous version."
 ;LangString launch_qbt ${LANG_ENGLISH} "Launch qBittorrent."
 LangString launch_qbt ${LANG_ENGLISH} "Launch qBittorrent."
+;LangString inst_requires_64bit ${LANG_ENGLISH} "This installer works only in 64-bit Windows versions."
+LangString inst_requires_64bit ${LANG_ENGLISH} "This installer works only in 64-bit Windows versions."
 
 
 ;------------------------------------

dist/windows/installer-translations/esperanto.nsi

@@ -22,6 +22,8 @@ LangString inst_uninstall_question ${LANG_ESPERANTO} "A previous installation wa
 LangString inst_unist ${LANG_ESPERANTO} "Uninstalling previous version."
 ;LangString launch_qbt ${LANG_ENGLISH} "Launch qBittorrent."
 LangString launch_qbt ${LANG_ESPERANTO} "Launch qBittorrent."
+;LangString inst_requires_64bit ${LANG_ENGLISH} "This installer works only in 64-bit Windows versions."
+LangString inst_requires_64bit ${LANG_ESPERANTO} "This installer works only in 64-bit Windows versions."
 
 
 ;------------------------------------

dist/windows/installer-translations/estonian.nsi

@@ -22,6 +22,8 @@ LangString inst_uninstall_question ${LANG_ESTONIAN} "A previous installation was
 LangString inst_unist ${LANG_ESTONIAN} "Uninstalling previous version."
 ;LangString launch_qbt ${LANG_ENGLISH} "Launch qBittorrent."
 LangString launch_qbt ${LANG_ESTONIAN} "Launch qBittorrent."
+;LangString inst_requires_64bit ${LANG_ENGLISH} "This installer works only in 64-bit Windows versions."
+LangString inst_requires_64bit ${LANG_ESTONIAN} "This installer works only in 64-bit Windows versions."
 
 
 ;------------------------------------

dist/windows/installer-translations/farsi.nsi

@@ -22,6 +22,8 @@ LangString inst_uninstall_question ${LANG_FARSI} "A previous installation was de
 LangString inst_unist ${LANG_FARSI} "Uninstalling previous version."
 ;LangString launch_qbt ${LANG_ENGLISH} "Launch qBittorrent."
 LangString launch_qbt ${LANG_FARSI} "Launch qBittorrent."
+;LangString inst_requires_64bit ${LANG_ENGLISH} "This installer works only in 64-bit Windows versions."
+LangString inst_requires_64bit ${LANG_FARSI} "This installer works only in 64-bit Windows versions."
 
 
 ;------------------------------------

dist/windows/installer-translations/finnish.nsi

@@ -22,6 +22,8 @@ LangString inst_uninstall_question ${LANG_FINNISH} "A previous installation was
 LangString inst_unist ${LANG_FINNISH} "Uninstalling previous version."
 ;LangString launch_qbt ${LANG_ENGLISH} "Launch qBittorrent."
 LangString launch_qbt ${LANG_FINNISH} "Launch qBittorrent."
+;LangString inst_requires_64bit ${LANG_ENGLISH} "This installer works only in 64-bit Windows versions."
+LangString inst_requires_64bit ${LANG_FINNISH} "This installer works only in 64-bit Windows versions."
 
 
 ;------------------------------------

dist/windows/installer-translations/french.nsi

@@ -22,6 +22,8 @@ LangString inst_uninstall_question ${LANG_FRENCH} "Une installation précédente
 LangString inst_unist ${LANG_FRENCH} "Désinstallation de la version précédente."
 ;LangString launch_qbt ${LANG_ENGLISH} "Launch qBittorrent."
 LangString launch_qbt ${LANG_FRENCH} "Lancer qBittorrent."
+;LangString inst_requires_64bit ${LANG_ENGLISH} "This installer works only in 64-bit Windows versions."
+LangString inst_requires_64bit ${LANG_FRENCH} "This installer works only in 64-bit Windows versions."
 
 
 ;------------------------------------

dist/windows/installer-translations/galician.nsi

@@ -22,6 +22,8 @@ LangString inst_uninstall_question ${LANG_GALICIAN} "A previous installation was
 LangString inst_unist ${LANG_GALICIAN} "Desinstalando a versión anterior."
 ;LangString launch_qbt ${LANG_ENGLISH} "Launch qBittorrent."
 LangString launch_qbt ${LANG_GALICIAN} "Iniciar qBittorrent."
+;LangString inst_requires_64bit ${LANG_ENGLISH} "This installer works only in 64-bit Windows versions."
+LangString inst_requires_64bit ${LANG_GALICIAN} "This installer works only in 64-bit Windows versions."
 
 
 ;------------------------------------

dist/windows/installer-translations/german.nsi

@@ -22,6 +22,8 @@ LangString inst_uninstall_question ${LANG_GERMAN} "Eine ältere Installation wur
 LangString inst_unist ${LANG_GERMAN} "Vorherige Version wird deinstalliert."
 ;LangString launch_qbt ${LANG_ENGLISH} "Launch qBittorrent."
 LangString launch_qbt ${LANG_GERMAN} "Starte qBittorrent."
+;LangString inst_requires_64bit ${LANG_ENGLISH} "This installer works only in 64-bit Windows versions."
+LangString inst_requires_64bit ${LANG_GERMAN} "This installer works only in 64-bit Windows versions."
 
 
 ;------------------------------------

dist/windows/installer-translations/greek.nsi

@@ -22,6 +22,8 @@ LangString inst_uninstall_question ${LANG_GREEK} "A previous installation was de
 LangString inst_unist ${LANG_GREEK} "Uninstalling previous version."
 ;LangString launch_qbt ${LANG_ENGLISH} "Launch qBittorrent."
 LangString launch_qbt ${LANG_GREEK} "Launch qBittorrent."
+;LangString inst_requires_64bit ${LANG_ENGLISH} "This installer works only in 64-bit Windows versions."
+LangString inst_requires_64bit ${LANG_GREEK} "This installer works only in 64-bit Windows versions."
 
 
 ;------------------------------------

dist/windows/installer-translations/hebrew.nsi

@@ -22,6 +22,8 @@ LangString inst_uninstall_question ${LANG_HEBREW} "A previous installation was d
 LangString inst_unist ${LANG_HEBREW} "Uninstalling previous version."
 ;LangString launch_qbt ${LANG_ENGLISH} "Launch qBittorrent."
 LangString launch_qbt ${LANG_HEBREW} "Launch qBittorrent."
+;LangString inst_requires_64bit ${LANG_ENGLISH} "This installer works only in 64-bit Windows versions."
+LangString inst_requires_64bit ${LANG_HEBREW} "This installer works only in 64-bit Windows versions."
 
 
 ;------------------------------------

dist/windows/installer-translations/hungarian.nsi

@@ -22,6 +22,8 @@ LangString inst_uninstall_question ${LANG_HUNGARIAN} "A previous installation wa
 LangString inst_unist ${LANG_HUNGARIAN} "Uninstalling previous version."
 ;LangString launch_qbt ${LANG_ENGLISH} "Launch qBittorrent."
 LangString launch_qbt ${LANG_HUNGARIAN} "Launch qBittorrent."
+;LangString inst_requires_64bit ${LANG_ENGLISH} "This installer works only in 64-bit Windows versions."
+LangString inst_requires_64bit ${LANG_HUNGARIAN} "This installer works only in 64-bit Windows versions."
 
 
 ;------------------------------------

dist/windows/installer-translations/icelandic.nsi

@@ -22,6 +22,8 @@ LangString inst_uninstall_question ${LANG_ICELANDIC} "A previous installation wa
 LangString inst_unist ${LANG_ICELANDIC} "Uninstalling previous version."
 ;LangString launch_qbt ${LANG_ENGLISH} "Launch qBittorrent."
 LangString launch_qbt ${LANG_ICELANDIC} "Launch qBittorrent."
+;LangString inst_requires_64bit ${LANG_ENGLISH} "This installer works only in 64-bit Windows versions."
+LangString inst_requires_64bit ${LANG_ICELANDIC} "This installer works only in 64-bit Windows versions."
 
 
 ;------------------------------------

dist/windows/installer-translations/indonesian.nsi

@@ -22,6 +22,8 @@ LangString inst_uninstall_question ${LANG_INDONESIAN} "A previous installation w
 LangString inst_unist ${LANG_INDONESIAN} "Uninstalling previous version."
 ;LangString launch_qbt ${LANG_ENGLISH} "Launch qBittorrent."
 LangString launch_qbt ${LANG_INDONESIAN} "Launch qBittorrent."
+;LangString inst_requires_64bit ${LANG_ENGLISH} "This installer works only in 64-bit Windows versions."
+LangString inst_requires_64bit ${LANG_INDONESIAN} "This installer works only in 64-bit Windows versions."
 
 
 ;------------------------------------

dist/windows/installer-translations/irish.nsi

@@ -22,6 +22,8 @@ LangString inst_uninstall_question ${LANG_IRISH} "A previous installation was de
 LangString inst_unist ${LANG_IRISH} "Uninstalling previous version."
 ;LangString launch_qbt ${LANG_ENGLISH} "Launch qBittorrent."
 LangString launch_qbt ${LANG_IRISH} "Launch qBittorrent."
+;LangString inst_requires_64bit ${LANG_ENGLISH} "This installer works only in 64-bit Windows versions."
+LangString inst_requires_64bit ${LANG_IRISH} "This installer works only in 64-bit Windows versions."
 
 
 ;------------------------------------

dist/windows/installer-translations/italian.nsi

@@ -22,6 +22,8 @@ LangString inst_uninstall_question ${LANG_ITALIAN} "A previous installation was
 LangString inst_unist ${LANG_ITALIAN} "Disinstallazione versione precedente."
 ;LangString launch_qbt ${LANG_ENGLISH} "Launch qBittorrent."
 LangString launch_qbt ${LANG_ITALIAN} "Esegui qBittorrent."
+;LangString inst_requires_64bit ${LANG_ENGLISH} "This installer works only in 64-bit Windows versions."
+LangString inst_requires_64bit ${LANG_ITALIAN} "This installer works only in 64-bit Windows versions."
 
 
 ;------------------------------------

dist/windows/installer-translations/japanese.nsi

@@ -22,6 +22,8 @@ LangString inst_uninstall_question ${LANG_JAPANESE} "A previous installation was
 LangString inst_unist ${LANG_JAPANESE} "以前のバージョンをアンインストールしています。"
 ;LangString launch_qbt ${LANG_ENGLISH} "Launch qBittorrent."
 LangString launch_qbt ${LANG_JAPANESE} "qBittorrent を起動する"
+;LangString inst_requires_64bit ${LANG_ENGLISH} "This installer works only in 64-bit Windows versions."
+LangString inst_requires_64bit ${LANG_JAPANESE} "This installer works only in 64-bit Windows versions."
 
 
 ;------------------------------------

dist/windows/installer-translations/korean.nsi

@@ -22,6 +22,8 @@ LangString inst_uninstall_question ${LANG_KOREAN} "A previous installation was d
 LangString inst_unist ${LANG_KOREAN} "Uninstalling previous version."
 ;LangString launch_qbt ${LANG_ENGLISH} "Launch qBittorrent."
 LangString launch_qbt ${LANG_KOREAN} "Launch qBittorrent."
+;LangString inst_requires_64bit ${LANG_ENGLISH} "This installer works only in 64-bit Windows versions."
+LangString inst_requires_64bit ${LANG_KOREAN} "This installer works only in 64-bit Windows versions."
 
 
 ;------------------------------------

dist/windows/installer-translations/kurdish.nsi

@@ -22,6 +22,8 @@ LangString inst_uninstall_question ${LANG_KURDISH} "A previous installation was
 LangString inst_unist ${LANG_KURDISH} "Uninstalling previous version."
 ;LangString launch_qbt ${LANG_ENGLISH} "Launch qBittorrent."
 LangString launch_qbt ${LANG_KURDISH} "Launch qBittorrent."
+;LangString inst_requires_64bit ${LANG_ENGLISH} "This installer works only in 64-bit Windows versions."
+LangString inst_requires_64bit ${LANG_KURDISH} "This installer works only in 64-bit Windows versions."
 
 
 ;------------------------------------

dist/windows/installer-translations/latvian.nsi

@@ -22,6 +22,8 @@ LangString inst_uninstall_question ${LANG_LATVIAN} "A previous installation was
 LangString inst_unist ${LANG_LATVIAN} "Uninstalling previous version."
 ;LangString launch_qbt ${LANG_ENGLISH} "Launch qBittorrent."
 LangString launch_qbt ${LANG_LATVIAN} "Launch qBittorrent."
+;LangString inst_requires_64bit ${LANG_ENGLISH} "This installer works only in 64-bit Windows versions."
+LangString inst_requires_64bit ${LANG_LATVIAN} "This installer works only in 64-bit Windows versions."
 
 
 ;------------------------------------

dist/windows/installer-translations/lithuanian.nsi

@@ -22,6 +22,8 @@ LangString inst_uninstall_question ${LANG_LITHUANIAN} "A previous installation w
 LangString inst_unist ${LANG_LITHUANIAN} "Šalinu ankstesnę versiją."
 ;LangString launch_qbt ${LANG_ENGLISH} "Launch qBittorrent."
 LangString launch_qbt ${LANG_LITHUANIAN} "Paleisti qBittorrent."
+;LangString inst_requires_64bit ${LANG_ENGLISH} "This installer works only in 64-bit Windows versions."
+LangString inst_requires_64bit ${LANG_LITHUANIAN} "This installer works only in 64-bit Windows versions."
 
 
 ;------------------------------------

dist/windows/installer-translations/luxembourgish.nsi

@@ -22,6 +22,8 @@ LangString inst_uninstall_question ${LANG_LUXEMBOURGISH} "A previous installatio
 LangString inst_unist ${LANG_LUXEMBOURGISH} "Uninstalling previous version."
 ;LangString launch_qbt ${LANG_ENGLISH} "Launch qBittorrent."
 LangString launch_qbt ${LANG_LUXEMBOURGISH} "Launch qBittorrent."
+;LangString inst_requires_64bit ${LANG_ENGLISH} "This installer works only in 64-bit Windows versions."
+LangString inst_requires_64bit ${LANG_LUXEMBOURGISH} "This installer works only in 64-bit Windows versions."
 
 
 ;------------------------------------

dist/windows/installer-translations/macedonian.nsi

@@ -22,6 +22,8 @@ LangString inst_uninstall_question ${LANG_MACEDONIAN} "A previous installation w
 LangString inst_unist ${LANG_MACEDONIAN} "Uninstalling previous version."
 ;LangString launch_qbt ${LANG_ENGLISH} "Launch qBittorrent."
 LangString launch_qbt ${LANG_MACEDONIAN} "Launch qBittorrent."
+;LangString inst_requires_64bit ${LANG_ENGLISH} "This installer works only in 64-bit Windows versions."
+LangString inst_requires_64bit ${LANG_MACEDONIAN} "This installer works only in 64-bit Windows versions."
 
 
 ;------------------------------------

dist/windows/installer-translations/malay.nsi

@@ -22,6 +22,8 @@ LangString inst_uninstall_question ${LANG_MALAY} "A previous installation was de
 LangString inst_unist ${LANG_MALAY} "Uninstalling previous version."
 ;LangString launch_qbt ${LANG_ENGLISH} "Launch qBittorrent."
 LangString launch_qbt ${LANG_MALAY} "Launch qBittorrent."
+;LangString inst_requires_64bit ${LANG_ENGLISH} "This installer works only in 64-bit Windows versions."
+LangString inst_requires_64bit ${LANG_MALAY} "This installer works only in 64-bit Windows versions."
 
 
 ;------------------------------------

dist/windows/installer-translations/mongolian.nsi

@@ -22,6 +22,8 @@ LangString inst_uninstall_question ${LANG_MONGOLIAN} "A previous installation wa
 LangString inst_unist ${LANG_MONGOLIAN} "Uninstalling previous version."
 ;LangString launch_qbt ${LANG_ENGLISH} "Launch qBittorrent."
 LangString launch_qbt ${LANG_MONGOLIAN} "Launch qBittorrent."
+;LangString inst_requires_64bit ${LANG_ENGLISH} "This installer works only in 64-bit Windows versions."
+LangString inst_requires_64bit ${LANG_MONGOLIAN} "This installer works only in 64-bit Windows versions."
 
 
 ;------------------------------------

dist/windows/installer-translations/norwegian.nsi

@@ -22,6 +22,8 @@ LangString inst_uninstall_question ${LANG_NORWEGIAN} "A previous installation wa
 LangString inst_unist ${LANG_NORWEGIAN} "Avinstallerer forrige versjon."
 ;LangString launch_qbt ${LANG_ENGLISH} "Launch qBittorrent."
 LangString launch_qbt ${LANG_NORWEGIAN} "Sett i gang qBittorrent."
+;LangString inst_requires_64bit ${LANG_ENGLISH} "This installer works only in 64-bit Windows versions."
+LangString inst_requires_64bit ${LANG_NORWEGIAN} "This installer works only in 64-bit Windows versions."
 
 
 ;------------------------------------

dist/windows/installer-translations/norwegiannynorsk.nsi

@@ -22,6 +22,8 @@ LangString inst_uninstall_question ${LANG_NORWEGIANNYNORSK} "A previous installa
 LangString inst_unist ${LANG_NORWEGIANNYNORSK} "Uninstalling previous version."
 ;LangString launch_qbt ${LANG_ENGLISH} "Launch qBittorrent."
 LangString launch_qbt ${LANG_NORWEGIANNYNORSK} "Launch qBittorrent."
+;LangString inst_requires_64bit ${LANG_ENGLISH} "This installer works only in 64-bit Windows versions."
+LangString inst_requires_64bit ${LANG_NORWEGIANNYNORSK} "This installer works only in 64-bit Windows versions."
 
 
 ;------------------------------------

dist/windows/installer-translations/polish.nsi

@@ -22,6 +22,8 @@ LangString inst_uninstall_question ${LANG_POLISH} "A previous installation was d
 LangString inst_unist ${LANG_POLISH} "Uninstalling previous version."
 ;LangString launch_qbt ${LANG_ENGLISH} "Launch qBittorrent."
 LangString launch_qbt ${LANG_POLISH} "Launch qBittorrent."
+;LangString inst_requires_64bit ${LANG_ENGLISH} "This installer works only in 64-bit Windows versions."
+LangString inst_requires_64bit ${LANG_POLISH} "This installer works only in 64-bit Windows versions."
 
 
 ;------------------------------------

dist/windows/installer-translations/portuguese.nsi

@@ -22,6 +22,8 @@ LangString inst_uninstall_question ${LANG_PORTUGUESE} "Uma antiga instalação f
 LangString inst_unist ${LANG_PORTUGUESE} "A desinstalar versão anterior."
 ;LangString launch_qbt ${LANG_ENGLISH} "Launch qBittorrent."
 LangString launch_qbt ${LANG_PORTUGUESE} "Iniciar qBittorrent."
+;LangString inst_requires_64bit ${LANG_ENGLISH} "This installer works only in 64-bit Windows versions."
+LangString inst_requires_64bit ${LANG_PORTUGUESE} "This installer works only in 64-bit Windows versions."
 
 
 ;------------------------------------

dist/windows/installer-translations/portugueseBR.nsi

@@ -22,6 +22,8 @@ LangString inst_uninstall_question ${LANG_PORTUGUESEBR} "Uma instalação anteri
 LangString inst_unist ${LANG_PORTUGUESEBR} "Desinstalando versão anterior."
 ;LangString launch_qbt ${LANG_ENGLISH} "Launch qBittorrent."
 LangString launch_qbt ${LANG_PORTUGUESEBR} "Executar qBittorrent."
+;LangString inst_requires_64bit ${LANG_ENGLISH} "This installer works only in 64-bit Windows versions."
+LangString inst_requires_64bit ${LANG_PORTUGUESEBR} "This installer works only in 64-bit Windows versions."
 
 
 ;------------------------------------

dist/windows/installer-translations/romanian.nsi

@@ -22,6 +22,8 @@ LangString inst_uninstall_question ${LANG_ROMANIAN} "A previous installation was
 LangString inst_unist ${LANG_ROMANIAN} "Uninstalling previous version."
 ;LangString launch_qbt ${LANG_ENGLISH} "Launch qBittorrent."
 LangString launch_qbt ${LANG_ROMANIAN} "Launch qBittorrent."
+;LangString inst_requires_64bit ${LANG_ENGLISH} "This installer works only in 64-bit Windows versions."
+LangString inst_requires_64bit ${LANG_ROMANIAN} "This installer works only in 64-bit Windows versions."
 
 
 ;------------------------------------

dist/windows/installer-translations/russian.nsi

@@ -22,6 +22,8 @@ LangString inst_uninstall_question ${LANG_RUSSIAN} "Обнаружена пре
 LangString inst_unist ${LANG_RUSSIAN} "Деинсталлируем старую версию."
 ;LangString launch_qbt ${LANG_ENGLISH} "Launch qBittorrent."
 LangString launch_qbt ${LANG_RUSSIAN} "Запустить qBittorrent."
+;LangString inst_requires_64bit ${LANG_ENGLISH} "This installer works only in 64-bit Windows versions."
+LangString inst_requires_64bit ${LANG_RUSSIAN} "This installer works only in 64-bit Windows versions."
 
 
 ;------------------------------------

dist/windows/installer-translations/serbian.nsi

@@ -22,6 +22,8 @@ LangString inst_uninstall_question ${LANG_SERBIAN} "A previous installation was
 LangString inst_unist ${LANG_SERBIAN} "Uninstalling previous version."
 ;LangString launch_qbt ${LANG_ENGLISH} "Launch qBittorrent."
 LangString launch_qbt ${LANG_SERBIAN} "Launch qBittorrent."
+;LangString inst_requires_64bit ${LANG_ENGLISH} "This installer works only in 64-bit Windows versions."
+LangString inst_requires_64bit ${LANG_SERBIAN} "This installer works only in 64-bit Windows versions."
 
 
 ;------------------------------------

dist/windows/installer-translations/serbianlatin.nsi

@@ -22,6 +22,8 @@ LangString inst_uninstall_question ${LANG_SERBIANLATIN} "A previous installation
 LangString inst_unist ${LANG_SERBIANLATIN} "Uninstalling previous version."
 ;LangString launch_qbt ${LANG_ENGLISH} "Launch qBittorrent."
 LangString launch_qbt ${LANG_SERBIANLATIN} "Launch qBittorrent."
+;LangString inst_requires_64bit ${LANG_ENGLISH} "This installer works only in 64-bit Windows versions."
+LangString inst_requires_64bit ${LANG_SERBIANLATIN} "This installer works only in 64-bit Windows versions."
 
 
 ;------------------------------------

dist/windows/installer-translations/simpchinese.nsi

@@ -22,6 +22,8 @@ LangString inst_uninstall_question ${LANG_SIMPCHINESE} "A previous installation
 LangString inst_unist ${LANG_SIMPCHINESE} "Uninstalling previous version."
 ;LangString launch_qbt ${LANG_ENGLISH} "Launch qBittorrent."
 LangString launch_qbt ${LANG_SIMPCHINESE} "Launch qBittorrent."
+;LangString inst_requires_64bit ${LANG_ENGLISH} "This installer works only in 64-bit Windows versions."
+LangString inst_requires_64bit ${LANG_SIMPCHINESE} "This installer works only in 64-bit Windows versions."
 
 
 ;------------------------------------

dist/windows/installer-translations/slovak.nsi

@@ -22,6 +22,8 @@ LangString inst_uninstall_question ${LANG_SLOVAK} "A previous installation was d
 LangString inst_unist ${LANG_SLOVAK} "Uninstalling previous version."
 ;LangString launch_qbt ${LANG_ENGLISH} "Launch qBittorrent."
 LangString launch_qbt ${LANG_SLOVAK} "Launch qBittorrent."
+;LangString inst_requires_64bit ${LANG_ENGLISH} "This installer works only in 64-bit Windows versions."
+LangString inst_requires_64bit ${LANG_SLOVAK} "This installer works only in 64-bit Windows versions."
 
 
 ;------------------------------------

dist/windows/installer-translations/slovenian.nsi

@@ -22,6 +22,8 @@ LangString inst_uninstall_question ${LANG_SLOVENIAN} "A previous installation wa
 LangString inst_unist ${LANG_SLOVENIAN} "Uninstalling previous version."
 ;LangString launch_qbt ${LANG_ENGLISH} "Launch qBittorrent."
 LangString launch_qbt ${LANG_SLOVENIAN} "Launch qBittorrent."
+;LangString inst_requires_64bit ${LANG_ENGLISH} "This installer works only in 64-bit Windows versions."
+LangString inst_requires_64bit ${LANG_SLOVENIAN} "This installer works only in 64-bit Windows versions."
 
 
 ;------------------------------------

dist/windows/installer-translations/spanish.nsi

@@ -22,6 +22,8 @@ LangString inst_uninstall_question ${LANG_SPANISH} "Se detectó una instalación
 LangString inst_unist ${LANG_SPANISH} "Desinstalando la versión anterior."
 ;LangString launch_qbt ${LANG_ENGLISH} "Launch qBittorrent."
 LangString launch_qbt ${LANG_SPANISH} "Iniciar qBittorrent."
+;LangString inst_requires_64bit ${LANG_ENGLISH} "This installer works only in 64-bit Windows versions."
+LangString inst_requires_64bit ${LANG_SPANISH} "This installer works only in 64-bit Windows versions."
 
 
 ;------------------------------------

dist/windows/installer-translations/spanishinternational.nsi

@@ -22,6 +22,8 @@ LangString inst_uninstall_question ${LANG_SPANISHINTERNATIONAL} "Se detectó una
 LangString inst_unist ${LANG_SPANISHINTERNATIONAL} "Desinstalando la versión anterior."
 ;LangString launch_qbt ${LANG_ENGLISH} "Launch qBittorrent."
 LangString launch_qbt ${LANG_SPANISHINTERNATIONAL} "Iniciar qBittorrent."
+;LangString inst_requires_64bit ${LANG_ENGLISH} "This installer works only in 64-bit Windows versions."
+LangString inst_requires_64bit ${LANG_SPANISHINTERNATIONAL} "This installer works only in 64-bit Windows versions."
 
 
 ;------------------------------------

dist/windows/installer-translations/swedish.nsi

@@ -22,6 +22,8 @@ LangString inst_uninstall_question ${LANG_SWEDISH} "A previous installation was
 LangString inst_unist ${LANG_SWEDISH} "Uninstalling previous version."
 ;LangString launch_qbt ${LANG_ENGLISH} "Launch qBittorrent."
 LangString launch_qbt ${LANG_SWEDISH} "Launch qBittorrent."
+;LangString inst_requires_64bit ${LANG_ENGLISH} "This installer works only in 64-bit Windows versions."
+LangString inst_requires_64bit ${LANG_SWEDISH} "This installer works only in 64-bit Windows versions."
 
 
 ;------------------------------------

dist/windows/installer-translations/thai.nsi

@@ -22,6 +22,8 @@ LangString inst_uninstall_question ${LANG_THAI} "A previous installation was det
 LangString inst_unist ${LANG_THAI} "Uninstalling previous version."
 ;LangString launch_qbt ${LANG_ENGLISH} "Launch qBittorrent."
 LangString launch_qbt ${LANG_THAI} "Launch qBittorrent."
+;LangString inst_requires_64bit ${LANG_ENGLISH} "This installer works only in 64-bit Windows versions."
+LangString inst_requires_64bit ${LANG_THAI} "This installer works only in 64-bit Windows versions."
 
 
 ;------------------------------------

dist/windows/installer-translations/tradchinese.nsi

@@ -22,6 +22,8 @@ LangString inst_uninstall_question ${LANG_TRADCHINESE} "A previous installation
 LangString inst_unist ${LANG_TRADCHINESE} "正在移除先前版本"
 ;LangString launch_qbt ${LANG_ENGLISH} "Launch qBittorrent."
 LangString launch_qbt ${LANG_TRADCHINESE} "啟動 qBittorrent"
+;LangString inst_requires_64bit ${LANG_ENGLISH} "This installer works only in 64-bit Windows versions."
+LangString inst_requires_64bit ${LANG_TRADCHINESE} "This installer works only in 64-bit Windows versions."
 
 
 ;------------------------------------

dist/windows/installer-translations/turkish.nsi

@@ -22,6 +22,8 @@ LangString inst_uninstall_question ${LANG_TURKISH} "Önceki bir kurulum algılan
 LangString inst_unist ${LANG_TURKISH} "Önceki sürüm kaldırılıyor."
 ;LangString launch_qbt ${LANG_ENGLISH} "Launch qBittorrent."
 LangString launch_qbt ${LANG_TURKISH} "qBittorrent'i çalıştır."
+;LangString inst_requires_64bit ${LANG_ENGLISH} "This installer works only in 64-bit Windows versions."
+LangString inst_requires_64bit ${LANG_TURKISH} "This installer works only in 64-bit Windows versions."
 
 
 ;------------------------------------

dist/windows/installer-translations/ukrainian.nsi

@@ -22,6 +22,8 @@ LangString inst_uninstall_question ${LANG_UKRAINIAN} "A previous installation wa
 LangString inst_unist ${LANG_UKRAINIAN} "Uninstalling previous version."
 ;LangString launch_qbt ${LANG_ENGLISH} "Launch qBittorrent."
 LangString launch_qbt ${LANG_UKRAINIAN} "Launch qBittorrent."
+;LangString inst_requires_64bit ${LANG_ENGLISH} "This installer works only in 64-bit Windows versions."
+LangString inst_requires_64bit ${LANG_UKRAINIAN} "This installer works only in 64-bit Windows versions."
 
 
 ;------------------------------------

dist/windows/installer-translations/uzbek.nsi

@@ -22,6 +22,8 @@ LangString inst_uninstall_question ${LANG_UZBEK} "A previous installation was de
 LangString inst_unist ${LANG_UZBEK} "Uninstalling previous version."
 ;LangString launch_qbt ${LANG_ENGLISH} "Launch qBittorrent."
 LangString launch_qbt ${LANG_UZBEK} "Launch qBittorrent."
+;LangString inst_requires_64bit ${LANG_ENGLISH} "This installer works only in 64-bit Windows versions."
+LangString inst_requires_64bit ${LANG_UZBEK} "This installer works only in 64-bit Windows versions."
 
 
 ;------------------------------------

dist/windows/installer-translations/welsh.nsi

@@ -22,6 +22,8 @@ LangString inst_uninstall_question ${LANG_WELSH} "A previous installation was de
 LangString inst_unist ${LANG_WELSH} "Uninstalling previous version."
 ;LangString launch_qbt ${LANG_ENGLISH} "Launch qBittorrent."
 LangString launch_qbt ${LANG_WELSH} "Launch qBittorrent."
+;LangString inst_requires_64bit ${LANG_ENGLISH} "This installer works only in 64-bit Windows versions."
+LangString inst_requires_64bit ${LANG_WELSH} "This installer works only in 64-bit Windows versions."
 
 
 ;------------------------------------

dist/windows/installer.nsi

@@ -196,6 +196,13 @@ Function .onInit
   !insertmacro Init "installer"
   !insertmacro MUI_LANGDLL_DISPLAY
 
+  !ifdef APP64BIT
+    ${IfNot} ${RunningX64}
+      MessageBox MB_OK|MB_ICONEXCLAMATION $(inst_requires_64bit)
+      Abort
+    ${EndIf}
+  !endif
+
   ;Search if qBittorrent is already installed.
   FindFirst $0 $1 "$INSTDIR\uninst.exe"
   FindClose $0

dist/windows/options.nsi

@@ -8,9 +8,15 @@ SetCompressor /SOLID LZMA
 SetCompressorDictSize 64
 XPStyle on
 
+;Uncomment when packaging 64bit qbittorrent
+;!define APP64BIT
+
 !include "MUI.nsh"
 !include "UAC.nsh"
 !include "FileFunc.nsh"
+!ifdef APP64BIT
+!include "x64.nsh"
+!endif
 
 ;For the file association
 !define SHCNE_ASSOCCHANGED 0x8000000
@@ -20,16 +26,26 @@ XPStyle on
 !define CSIDL_APPDATA '0x1A' ;Application Data path
 !define CSIDL_LOCALAPPDATA '0x1C' ;Local Application Data path
 
+; Program specific
 !define PROG_VERSION "3.4.0"
+
 !define MUI_FINISHPAGE_RUN
 !define MUI_FINISHPAGE_RUN_FUNCTION PageFinishRun
 !define MUI_FINISHPAGE_RUN_TEXT $(launch_qbt)
 
-; The name of the installer
-Name "qBittorrent ${PROG_VERSION}"
+!ifndef APP64BIT
+  ; The name of the installer
+  Name "qBittorrent ${PROG_VERSION}"
+
+  ; The file to write
+  OutFile "qbittorrent_${PROG_VERSION}_setup.exe"
+!else
+  ; The name of the installer
+  Name "qBittorrent ${PROG_VERSION} x64"
 
-; The file to write
-OutFile "qbittorrent_${PROG_VERSION}_setup.exe"
+  ; The file to write
+  OutFile "qbittorrent_${PROG_VERSION}_x64_setup.exe"
+!endif
 
 ;Installer Version Information
 VIAddVersionKey "ProductName" "qBittorrent"
@@ -40,8 +56,15 @@ VIAddVersionKey "FileVersion" "${PROG_VERSION}"
 
 VIProductVersion "${PROG_VERSION}.0"
 
-; The default installation directory
-InstallDir $PROGRAMFILES\qBittorrent
+; The default installation directory. It changes depending if we install in the 64bit dir or not.
+; A caveat of this is if a user has installed a 32bit version and then runs the 64bit installer
+; (which in turn launches the 32bit uninstaller first) the value will still point to the 32bit location.
+; The user has to manually uninstall the old version and THEN run the 64bit installer
+!ifndef APP64BIT
+  InstallDir $PROGRAMFILES32\qBittorrent
+!else
+  InstallDir $PROGRAMFILES64\qBittorrent
+!endif
 
 ; Registry key to check for directory (so if you install again, it will 
 ; overwrite the old one automatically)