# Windows version (as in VER command)

    [Environment]::OSVersion

     

    # or, using WMI:

    Get-CimInstance -Class Win32_OperatingSystem

     

    # Windows edition (requires elevated privileges):

    Get-WindowsEdition –Online

     

    # friendly name (as in WinVer command):

    $winver = ( Get-ItemProperty -Path "HKLM:\SOFTWARE\Microsoft\Windows NT\CurrentVersion" )

    "{0} {1}" -f $winver.ProductName, $winver.DisplayVersion