diff --git a/appveyor.yml b/appveyor.yml
new file mode 100644
index 00000000..ae02b812
--- /dev/null
+++ b/appveyor.yml
@@ -0,0 +1,196 @@
+version: 1.0.{build}
+pull_requests:
+  do_not_increment_build_number: true
+branches:
+  only:
+  - openssl
+skip_tags: true
+os: Visual Studio 2015
+shallow_clone: true
+clone_depth: 1
+init:
+- cmd: >-
+    mkdir \projects\instdir
+
+    rem Appveyor has win32 openssl pre-installed that is picked up erroneously even for 64-bit. Cleaning the mess... Should happen before restoring cache.
+
+    rem Might consider passing OPENSSL_ROOT_DIR
+
+    if exist \OpenSSL-Win32 rmdir /S /Q \OpenSSL-Win32
+
+    if exist \OpenSSL-Win64 rmdir /S /Q \OpenSSL-Win64
+
+    if exist \OpenSSL rmdir /S /Q \OpenSSL
+environment:
+  BOOST_ROOT: C:\Libraries\boost_1_59_0
+  MINIUPNPC: miniupnpc-1.9.20151026
+  OPENSSL: OpenSSL_1_0_2e
+  ZLIB: zlib-1.2.8
+  matrix:
+  # - type: static
+  #   msvc: 14
+  #   x64: 0
+  # - type: static
+  #   variant: Release
+  #   # FIXME why is this necessary with Appveyor???
+  #   cmake: -DSSL_EAY=/mingw32/lib/libssl.a -DLIB_EAY=/mingw32/lib/libcrypto.a
+  - type: shared
+    variant: Release
+  - type: static
+    msvc: 12
+    x64: 1
+    variant: RelWithDebInfo
+  - type: static
+    msvc: 14
+    variant: RelWithDebInfo
+    cmake: -DWITH_PCH=ON
+  # - type: static
+  #   msvc: 12
+  # - type: shared
+  #   msvc: 14
+  #   variant: Debug
+  # - type: shared
+  #   variant: Release
+  #   cmake: -DWITH_PCH=ON
+  #   x64: 1
+install:
+- if not exist \projects\miniupnpc\ (
+    mkdir \projects\miniupnpc
+    && curl -sL http://miniupnp.free.fr/files/download.php?file=%MINIUPNPC%.tar.gz -o \projects\miniupnpc\%MINIUPNPC%.tar.gz
+  )
+- tar --strip-components=1 --directory=\projects\miniupnpc -xzf \projects\miniupnpc\%MINIUPNPC%.tar.gz
+- if not exist \projects\zlib\ (
+    mkdir \projects\zlib
+    && cd \projects\zlib
+    && curl -sLO http://zlib.net/%ZLIB%.tar.gz
+  )
+- tar --strip-components=1 --directory=\projects\zlib -xzf \projects\zlib\%ZLIB%.tar.gz
+- patch -p0 C:/projects/zlib/CMakeLists.txt %APPVEYOR_BUILD_FOLDER%/build/cmake-zlib-static.patch
+- patch -p0 C:/projects/zlib/CMakeLists.txt %APPVEYOR_BUILD_FOLDER%/build/cmake-zlib-amd64.patch
+- if "%type%" == "static" (
+    set "static=ON"
+    && set "boostlib=lib"
+  ) else (
+    set "static=OFF"
+    && set "dll=dll"
+  )
+- if "%x64%"=="1" (
+    set "bitness=64"
+    && set "openssl_target=VC-WIN64A"
+    && set "zlib_asm=-DAMD64=ON"
+  ) else (
+    set "bitness=32"
+    && set "openssl_target=VC-WIN32"
+    && set "zlib_asm=-DASM686=ON "-DCMAKE_ASM_MASM_FLAGS=/W0 /safeseh""
+  )
+- set /a generator=%msvc%+2001
+- if defined msvc (
+    (
+      if "%x64%" == "1" (
+        call "C:\Program Files (x86)\Microsoft Visual Studio %msvc%.0\VC\vcvarsall.bat" amd64
+        && set "generator=Visual Studio %msvc% %generator% Win64"
+      ) else (
+        call "C:\Program Files (x86)\Microsoft Visual Studio %msvc%.0\VC\vcvarsall.bat" x86
+        && set "generator=Visual Studio %msvc% %generator%"
+      )
+    )
+    && set "zlib_root=C:/stage/zlib-Win%bitness%-vc%msvc%-%type%"
+    && if "%variant%" neq "Debug" (
+      set "boost_variant=variant=release"
+      && set "boostdbg=-gd"
+    )
+  ) else (
+    set "generator=Unix Makefiles"
+  )
+- if defined msvc if not exist %zlib_root% (
+    mkdir \projects\zlib-build
+    && cd \projects\zlib-build
+    && cmake ../zlib -G "%generator%" %zlib_asm% -DWITH_STATIC=%static% -DCMAKE_INSTALL_PREFIX=%zlib_root% > c:\projects\instdir\build_zlib.log
+    && cmake --build . --config Release --target INSTALL >> c:\projects\instdir\build_zlib.log
+    || type c:\projects\instdir\build_zlib.log
+  )
+- cmd: >-
+    rem cinst nasm
+
+    cd \projects
+
+    if not exist nasm-2.11.08-installer.exe curl --silent --location --remote-name http://www.nasm.us/pub/nasm/releasebuilds/2.11.08/win32/nasm-2.11.08-installer.exe
+
+    nasm-2.11.08-installer.exe /S
+
+    set "PATH=%PATH%;C:\Program Files (x86)\nasm"
+
+    if not exist %OPENSSL%.zip curl --silent --location --remote-name https://github.com/openssl/openssl/archive/%OPENSSL%.zip
+- cd %BOOST_ROOT%
+- if defined msvc if not exist "stage%bitness%\lib\%boostlib%boost_system-vc%msvc%0-mt%boostdbg%*" (
+    bootstrap > c:\projects\instdir\build_boost.log
+    && b2 toolset=msvc-%msvc%.0 %boost_variant% link=%type% runtime-link=%type% address-model=%bitness% --build-type=minimal --with-filesystem --with-program_options --with-regex --with-date_time --stagedir=stage%bitness% >> c:\projects\instdir\build_boost.log
+    || type c:\projects\instdir\build_boost.log
+  )
+- if defined msvc if not exist C:\stage\OpenSSL-Win%bitness%-vc%msvc%-%type%\ (
+    cd \projects
+    && 7z x %OPENSSL%.zip > NUL
+    && cd openssl-%OPENSSL%
+    && perl Configure %openssl_target% no-rc2 no-rc4 no-rc5 no-idea no-bf no-cast no-whirlpool no-md2 no-md4 no-ripemd no-mdc2 no-camellia no-seed no-comp no-krb5 no-gmp no-rfc3779 no-ec2m no-ssl2 no-jpake no-srp no-sctp no-srtp --prefix=c:\stage\OpenSSL-Win%bitness%-vc%msvc%-%type% > c:\projects\instdir\build_openssl.log
+    && ( if "%x64%" == "1" ( ms\do_win64a >> c:\projects\instdir\build_openssl.log ) else ( ms\do_nasm >> c:\projects\instdir\build_openssl.log ) )
+    && nmake -f ms\nt%dll%.mak install >> c:\projects\instdir\build_openssl.log 2>&1
+    && mklink /J \OpenSSL \stage\OpenSSL-Win%bitness%-vc%msvc%-%type%
+    || type c:\projects\instdir\build_openssl.log
+  )
+- rem already there: mingw-w64-i686-openssl mingw-w64-i686-gcc cmake
+- if not defined msvc (
+    C:\msys64\usr\bin\bash -lc "pacman --needed --noconfirm -Sy bash pacman pacman-mirrors msys2-runtime msys2-runtime-devel"
+    && if "%x64%" == "1" (
+      C:\msys64\usr\bin\bash -lc "pacman --noconfirm -S mingw-w64-x86_64-boost mingw-w64-x86_64-miniupnpc"
+    ) else (
+      C:\msys64\usr\bin\bash -lc "pacman --noconfirm -S mingw-w64-i686-boost mingw-w64-i686-miniupnpc"
+    )
+  )
+cache:
+- C:\projects\%OPENSSL%.zip
+- C:\projects\nasm-2.11.08-installer.exe
+- C:\projects\miniupnpc\%MINIUPNPC%.tar.gz
+- C:\stage
+- '%BOOST_ROOT%\stage32'
+- '%BOOST_ROOT%\stage64'
+- C:\projects\zlib\%ZLIB%.tar.gz
+build_script:
+- cmd: >-
+    mkdir \projects\build
+
+    rem FIXME use fixup_bundle in cmake
+
+    rem msbuild i2pd.sln /p:Configuration=Release
+
+    if defined variant ( set cmake_extra=-DCMAKE_BUILD_TYPE=%variant% && set "cmake_build=--config %variant%" )
+
+    echo "bitness=%bitness%; static=%static%; dll=%dll%; type=%type%; generator=%generator%; variant=%variant%; cmake=%cmake%; cmake_extra=%cmake_extra%"
+- if not defined msvc (
+    C:\msys64\usr\bin\bash -lc "export PATH=/mingw%bitness%/bin:/usr/bin && cd /c/projects/build && cmake /c/projects/i2pd/build -G 'Unix Makefiles' -DWITH_AESNI=ON -DWITH_UPNP=ON %cmake% %cmake_extra% -DWITH_STATIC=%static% -DWITH_HARDENING=ON -DCMAKE_INSTALL_PREFIX:PATH=/c/projects/instdir -DCMAKE_FIND_ROOT_PATH=/mingw%bitness% && make install"
+    && 7z a -tzip -mx9 -mmt C:\projects\i2pd\i2pd-mingw-win%bitness%-%type%.zip C:\projects\instdir\* C:\msys64\mingw%bitness%\bin\zlib1.dll C:\msys64\mingw%bitness%\bin\*eay32.dll
+  )
+- rem We are fine with multiple generated configurations in MS solution. Will use later
+- if defined msvc (
+    cd \projects\build
+    && cmake ..\i2pd\build -G "%generator%" -DWITH_UPNP=ON %cmake% -DWITH_STATIC=%static% -DZLIB_ROOT=%zlib_root% -DBoost_LIBRARY_DIR:PATH=%BOOST_ROOT%/stage%bitness%/lib -DCMAKE_INSTALL_PREFIX:PATH=c:/projects/instdir
+    && cmake --build . %cmake_build% --target install
+    && 7z a -tzip -mx9 -mmt C:\projects\i2pd\i2pd-vc%msvc%-win%bitness%-%type%.zip C:\projects\instdir\bin\*.exe %zlib_root%\bin\*.dll %BOOST_ROOT%\stage%bitness%\lib\*.dll %APPVEYOR_BUILD_FOLDER%\LICENSE
+    && cmake --build . %cmake_build% --target package
+    && xcopy i2pd*win*.exe ..\i2pd\
+  )
+test: off
+artifacts:
+- path: i2pd-vc12-win64-static.zip
+- path: i2pd-vc12-win32-static.zip
+- path: i2pd-vc12-win64-shared.zip
+- path: i2pd-vc12-win32-shared.zip
+- path: i2pd-vc14-win64-static.zip
+- path: i2pd-vc14-win32-static.zip
+- path: i2pd-vc14-win64-shared.zip
+- path: i2pd-vc14-win32-shared.zip
+- path: i2pd-mingw-win64-static.zip
+- path: i2pd-mingw-win32-static.zip
+- path: i2pd-mingw-win64-shared.zip
+- path: i2pd-mingw-win32-shared.zip
+- path: i2pd-2.1.0-win64.exe
+- path: i2pd-2.1.0-win32.exe
diff --git a/build/CMakeLists.txt b/build/CMakeLists.txt
index 7b1314ea..e4deba38 100644
--- a/build/CMakeLists.txt
+++ b/build/CMakeLists.txt
@@ -321,3 +321,15 @@ if (WITH_BINARY)
     install(FILES $<TARGET_PDB_FILE:${PROJECT_NAME}> DESTINATION "bin" CONFIGURATIONS DEBUG)
   endif ()
 endif ()
+
+install(FILES ../LICENSE
+  DESTINATION .
+  COMPONENT Runtime
+  )
+# Take a copy on Appveyor
+install(FILES "C:/projects/openssl-$ENV{OPENSSL}/LICENSE"
+  DESTINATION .
+  COMPONENT Runtime
+  RENAME LICENSE_OPENSSL
+  OPTIONAL                      # for local builds only!
+  )