diff --git a/images/win/scripts/Installers/Windows2019/Install-Msys2.ps1 b/images/win/scripts/Installers/Windows2019/Install-Msys2.ps1
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+################################################################################
+##  File:  Install-MSYS2.ps1
+##  Desc:  Install MSYS2 and 64-bit gcc, cmake, & llvm (32-bit commented out)
+################################################################################
+
+# References
+# https://github.com/msys2/MINGW-packages/blob/master/azure-pipelines.yml
+# https://packages.msys2.org/group/
+
+$env:orig_path = $env:PATH
+$env:git_path  = "C:\Program Files\Git"
+
+# get info from https://sourceforge.net/projects/msys2/files/Base/x86_64/
+$msy2_uri  = "https://netix.dl.sourceforge.net/project/msys2/Base/x86_64/msys2-base-x86_64-20190524.tar.xz"
+$msy2_file = "C:\Windows\Temp\msys2.tar.xz"
+
+# Download the latest msys2 x86_64
+Write-Host "Starting msys2 download..."
+(New-Object System.Net.WebClient).DownloadFile($msy2_uri, $msy2_file)
+Write-Host "Finished download"
+
+$msy2_file_u = "/$msy2_file".replace(':', '')
+
+# git has tar.exe in usr/bin, but xz.exe is in mingw64/bin
+$env:PATH = "$env:git_path\mingw64\bin;$env:orig_path"
+$tar      = "$env:git_path\usr\bin\tar.exe"
+
+# extract tar.xz to C:\
+Write-Host "Starting extraction..."
+&$tar -Jxf $msy2_file_u -C /c/
+Remove-Item $msy2_file
+
+Write-Host "Finished extraction"
+
+$env:PATH = "C:\msys64\mingw64\bin;C:\msys64\usr\bin;$env:orig_path"
+
+Write-Host "bash.exe -c pacman-key --init"
+bash.exe -c "pacman-key --init"
+
+Write-Host "bash.exe -c pacman-key --populate msys2"
+bash.exe -c "pacman-key --populate msys2"
+
+Write-Host "pacman --noconfirm -Syyuu"
+pacman.exe -Syyuu --noconfirm
+
+# install msys2 packages
+Write-Host "Install msys2 packages"
+pacman.exe -S --noconfirm --needed --noprogressbar base-devel compression
+
+# mingw package list
+$tools = "___clang ___cmake ___llvm  ___toolchain ___ragel"
+
+# install mingw64 packages
+Write-Host "Install mingw64 packages"
+$pre = "mingw-w64-x86_64-"
+pacman.exe -S --noconfirm --needed --noprogressbar $tools.replace('___', $pre).split(' ')
+
+# install mingw32 packages
+Write-Host "Install mingw32 packages"
+$pre = "mingw-w64-i686-"
+pacman.exe -S --noconfirm --needed --noprogressbar $tools.replace('___', $pre).split(' ')
+
+# clean all packages to decrease image size
+Write-Host "Clean packages"
+pacman.exe -Scc --noconfirm
+
+Write-Host
+Write-Host "Installed mingw64 packages"
+pacman.exe -Qs --noconfirm mingw-w64-x86_64-
+
+Write-Host
+Write-Host "Installed mingw32 packages"
+pacman.exe -Qs --noconfirm mingw-w64-i686-
+
+Write-Host
+Write-Host "Installed msys2 packages"
+pacman.exe -Qs --noconfirm
+
+exit 0
\ No newline at end of file