"OpenSSH for Windows" version
PS C:\Users\zeroadmin> ((Get-Item (Get-Command sshd).Source).VersionInfo.FileVersion)
7.7.1.0
PS C:\Users\zeroadmin> ((Get-ItemProperty "HKLM:\SOFTWARE\Microsoft\Windows nt\CurrentVersion\" -Name ProductName).ProductName)
Windows Server 2016 Standard Evaluation
PS C:\Users\zeroadmin> Get-Command ssh.exe
CommandType Name Version Source