diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 488356cf2..ba7a27ed1 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -145,14 +145,18 @@ jobs:
     strategy:
       matrix:
         toolset: [143, 142]
-        platform: [x86, x64]
+        platform: [x86, x64, arm64]
         include:
         - toolset: 143
           image: windows-2022
-          vcvars: "C:\\Program Files\\Microsoft Visual Studio\\2022\\Enterprise\\VC\\Auxiliary\\Build\\vcvarsall.bat"
         - toolset: 142
           image: windows-2019
-          vcvars: "C:\\Program Files (x86)\\Microsoft Visual Studio\\2019\\Enterprise\\VC\\Auxiliary\\Build\\vcvarsall.bat"
+        - platform: x86
+          setenv: amd64_x86
+        - platform: x64
+          setenv: amd64
+        - platform: arm64
+          setenv: amd64_arm64
     env:
       VER_SUFFIX: .VS${{ matrix.toolset }}
       CXXFLAGS: '/D_DISABLE_CONSTEXPR_MUTEX_CONSTRUCTOR' # https://github.com/actions/runner-images/issues/10004
@@ -182,12 +186,14 @@ jobs:
       run: |
         dotnet tool install -g wix --version 5.0.1
         wix extension -g add WixToolset.UI.wixext/5.0.1
+    - name: Setup dev env
+      uses: ilammy/msvc-dev-cmd@v1
+      with:
+        arch: ${{ matrix.setenv }}
     - name: Build
       run: |
         & .\build.ps1 `
           -vcpkg_installed ${{ env.VCPKG_INSTALLED_DIR }} `
-          -vcvars "${{ matrix.vcvars }}" `
-          -platform ${{ matrix.platform }} `
           -swig C:/ProgramData/chocolatey/bin/swig.exe `
           -doxygen "C:/Program files/doxygen/bin/doxygen.exe" `
           -boost
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 46ed99fb8..53a7100d7 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -95,7 +95,7 @@ enable_testing()
 add_subdirectory(src)
 add_subdirectory(examples)
 
-find_package( Boost COMPONENTS unit_test_framework )
+find_package(Boost COMPONENTS unit_test_framework QUIET)
 if(TARGET Boost::unit_test_framework)
     add_subdirectory(test)
 endif()
diff --git a/README.md b/README.md
index e6585f10d..98dde3eda 100644
--- a/README.md
+++ b/README.md
@@ -94,16 +94,18 @@
 	* [Python](https://www.python.org/downloads/) - Optional, for Python bindings
 	* [Java](https://www.oracle.com/java/technologies/downloads/) - Optional, for Java bindings
 
-   Toolset:
-	* 142 - Visual Studio 2019 (Default)
-	* 143 - Visual Studio 2022
+2. Open desired Visual Studio tools command prompt:
+	* x64 Native Tool Command Prompt
+        * x86 Native Tool Command Prompt
+	* ARM64 Native Tool Command Prompt
+        * Or some cross compile combination with target host type
 
-2. Fetch the source
+3. Fetch the source
 
         git clone --recursive https://github.com/open-eid/libdigidocpp
         cd libdigidocpp
 
-3. Configure
+4. Configure
 
         cmake -DCMAKE_TOOLCHAIN_FILE=vcpkg/scripts/buildsystems/vcpkg.cmake `
               -DVCPKG_TARGET_TRIPLET=x64-windows `
@@ -117,18 +119,18 @@
    After running the cmake build, digidoc_csharp.dll along with the C# source files will be created, more info at
    [examples/DigiDocCSharp/README.md](examples/DigiDocCSharp/README.md).
 
-4. Build
+5. Build
 
         cmake --build build
 
-5. Alternative to steps 4. and 5. -
+6. Alternative to steps 4. and 5. -
 
-        powershell -ExecutionPolicy ByPass -File build.ps1 -platform x64
+        powershell -ExecutionPolicy ByPass -File build.ps1
 
     The build script builds executables and installation media for given
     platform (Debug and Release with debug symbols)
 
-6. Execute
+7. Execute
 
         build/src/digidoc-tool.exe
 
diff --git a/build.ps1 b/build.ps1
index 4a0e86c83..14a46b36b 100644
--- a/build.ps1
+++ b/build.ps1
@@ -8,12 +8,10 @@ param(
   [string]$vcpkg_installed_platform = "$vcpkg_installed\vcpkg_installed_$platform",
   [string]$build_number = $(if ($null -eq $env:BUILD_NUMBER) {"0"} else {$env:BUILD_NUMBER}),
   [string]$msiversion = "4.0.0.$build_number",
-  [string]$platform = "x64",
+  [string]$platform = $env:VSCMD_ARG_TGT_ARCH,
   [string]$msi_name = "libdigidocpp-$msiversion$env:VER_SUFFIX.$platform.msi",
   [string]$cmake = "cmake.exe",
   [string]$generator = "NMake Makefiles",
-  [string]$vcvars = "vcvarsall",
-  [string]$wix = "wix.exe",
   [string]$swig = $null,
   [string]$doxygen = $null,
   [switch]$boost = $false,
@@ -21,11 +19,11 @@ param(
 )
 
 Try {
-  & $wix > $null
+  & wix > $null
 }
 Catch {
   & dotnet tool install --global --version 5.0.1 wix
-  & $wix extension add -g WixToolset.UI.wixext/5.0.1
+  & wix extension add -g WixToolset.UI.wixext/5.0.1
 }
 
 if(!(Test-Path -Path $vcpkg)) {
@@ -49,27 +47,32 @@ if($boost) {
   $cmakeext += "-DVCPKG_MANIFEST_FEATURES=tests"
   $target += "check"
 }
+if($env:VSCMD_ARG_HOST_ARCH -ne "arm64") {
+  $cmakeext += "-DCMAKE_DISABLE_FIND_PACKAGE_Python3=yes"
+  $wixext += "-d", "disablePython=1"
+} 
 
 foreach($type in @("Debug", "RelWithDebInfo")) {
   $buildpath = $platform+$type
-  & $vcvars $platform "&&" $cmake --fresh -B $buildpath -S $libdigidocpp "-G$generator" `
+  & $cmake --fresh -B $buildpath -S $libdigidocpp "-G$generator" $cmakeext `
     "-DCMAKE_BUILD_TYPE=$type" `
     "-DCMAKE_INSTALL_PREFIX=$platform" `
     "-DCMAKE_INSTALL_LIBDIR=bin" `
     "-DCMAKE_TOOLCHAIN_FILE=$vcpkg_dir/scripts/buildsystems/vcpkg.cmake" `
     "-DVCPKG_INSTALLED_DIR=$vcpkg_installed_platform" `
-    "-DSIGNCERT=$sign" `
-    $cmakeext "&&" $cmake --build $buildpath --target $target "&&" $cmake --install $buildpath
+    "-DSIGNCERT=$sign"
+  & $cmake --build $buildpath --target $target
+  & $cmake --install $buildpath
 }
 
 if($sign) {
-  & $vcvars $platform "&&" signtool.exe sign /a /v /s MY /n "$sign" /fd SHA256 /du http://installer.id.ee `
+  & signtool.exe sign /a /v /s MY /n "$sign" /fd SHA256 /du http://installer.id.ee `
     /tr http://timestamp.digicert.com /td SHA256 `
     $vcpkg_installed_platform/$platform-windows/bin/*.dll `
     $vcpkg_installed_platform/$platform-windows/debug/bin/*.dll
 }
 
-& $vcvars $platform "&&" $wix build -nologo -arch $platform -out $msi_name $wixext `
+& wix build -nologo -arch $platform -out $msi_name $wixext `
   -ext WixToolset.UI.wixext `
   -bv "WixUIBannerBmp=$libdigidocpp/cmake/modules/banner.bmp" `
   -bv "WixUIDialogBmp=$libdigidocpp/cmake/modules/dlgbmp.bmp" `
@@ -80,6 +83,6 @@ if($sign) {
   $libdigidocpp\libdigidocpp.wxs
 
 if($sign) {
-  & $vcvars $platform "&&" signtool.exe sign /a /v /s MY /n "$sign" /fd SHA256 /du http://installer.id.ee `
+  & signtool.exe sign /a /v /s MY /n "$sign" /fd SHA256 /du http://installer.id.ee `
     /tr http://timestamp.digicert.com /td SHA256 "$msi_name"
 }
diff --git a/libdigidocpp.wxs b/libdigidocpp.wxs
index 7ee740bdd..f52d66d8f 100644
--- a/libdigidocpp.wxs
+++ b/libdigidocpp.wxs
@@ -1,12 +1,15 @@
 <?if $(sys.BUILDARCH) = x64 ?>
   <?define UpgradeCode = "{93985BBA-6B59-443B-80C8-BA987407F8B8}" ?>
   <?define OpenSSLSuffix = "-x64" ?>
+  <?define Suffix = "" ?>
 <?elseif $(sys.BUILDARCH) = arm64 ?>
   <?define UpgradeCode = "{de2f0796-01fe-4291-bfc1-c01f631d082b}" ?>
   <?define OpenSSLSuffix = "-arm64" ?>
+  <?define Suffix = "-arm64" ?>
 <?else?>
   <?define UpgradeCode = "{7f1b1519-b527-4130-998d-233f4d050f14}" ?>
   <?define OpenSSLSuffix = "" ?>
+  <?define Suffix = "" ?>
 <?endif?>
 
 <?if $(env.VisualStudioVersion) = "17.0" ?>
@@ -31,7 +34,7 @@
     </UI>
 
     <StandardDirectory Id="ProgramFiles6432Folder">
-      <Directory Id="INSTALLFOLDER" Name="libdigidocpp" />
+      <Directory Id="INSTALLFOLDER" Name="libdigidocpp$(var.Suffix)" />
     </StandardDirectory>
 
     <ComponentGroup Id="Runtime"
@@ -60,8 +63,10 @@
 <?ifdef var.swig ?>
       <File Name="digidoc_csharp.dll" />
       <File Name="digidoc_java.dll" />
+<?ifndef var.disablePython ?>
       <File Name="_digidoc_python.pyd" />
       <File Name="digidoc.py" />
+<?endif?>
 <?endif?>
     </ComponentGroup>
 
@@ -86,7 +91,9 @@
 <?ifdef var.swig ?>
       <File Name="digidoc_csharpd.dll" />
       <File Name="digidoc_javad.dll" />
+<?ifndef var.disablePython ?>
       <File Name="_digidoc_pythond.pyd" />
+<?endif?>
 <?endif?>
     </ComponentGroup>