Summary: Learn how to find what’s new in Windows PowerShell 4.0.

Hey, Scripting Guy! Question How can I find what is new in Windows PowerShell 4.0?

Hey, Scripting Guy! Answer Use Update-Help to update the Help files, then use the Get-Help cmdlet,
          specify the category of HelpFile, and look for “4.0”:

Get-Help -Category helpfile "4.0"