Building OpenSSH for Windows (using LibreSSL crypto)

Download and Install VS 2015, or newer, with Desktop Development with C++ - latest install here
- Confirm the Desktop Development with C++ Kit was installed properly by checking ${env:ProgramFiles(x86)}\Microsoft Visual Studio\<2015/2017/2019/2022>\<Community/Professional/Enterprise>\VC\Auxiliary\Build for a vcvarsall.bat file, as shown in the image below:
Install Windows SDK 10.0.17663.0 during Visual Studio install, or download from here
- Confirm the SDK was installed properly by checking ${env:ProgramFiles(x86)}\Windows Kits\10\Bin for a 10.0.17763.0 folder, as shown in the image below:
- Install Microsoft Build Tools 2015 during Visual Studio install, or download from here. Note, Build Tools 2015 are needed regardless of the Visual Studio version installed
  - Confirm the Build Tools were installed properly by checking ${env:ProgramFiles(x86)}\MSBuild\Microsoft.Cpp\v4.0\140 for a Microsoft.Cpp.Default.Props file, as shown in the image below:
- Open "contrib\win32\openssh\Win32-OpenSSH.sln" in Visual Studio, ensure platform toolset is set to "no upgrade" and Windows SDK is set to "10.0.17663.0" as shown in the image below:
- If necessary, change the configuration and architecture from the middle toolbar
- Build the Win32-OpenSSH binaries
  - Binaries will be in a .\bin\{Architecture}\{Configuration} folder, as shown in the image below for an x64, Debug build:

In Powershell:

Start-OpenSSHPackage -Configuration <Release|Debug> -NativeHostArch <x64|x86>
Above generates Zipped binary and symbols payload. Follow further installation instructions here.

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