PowerTip: Find PowerShell Version

Summary: Easily find your Windows PowerShell version.

 Is there a single command I can use to find the version of Windows PowerShell I am running, plus the version of
          WSMan and the .NET Framework command-line reference (CLR)?

 Use the $PSVersionTable automatic variable to display the Windows PowerShell version,
          WSMan stack information, .NET Framework CLR version information, and other information:

PS C:\> $PSVersionTable