Summary: Use PowerShell cmdlets to identify the current version and build number of a Configuration Manager site.

 How can I use Windows PowerShell to find the current version and build number for a client's
           Configuration Manager site?

 When you have the cmdlets for Configuration Manager 2012 or later loaded into the Windows PowerShell
           console, execute this line to display the information:

Get-CmSite | Select-Object Servername,SiteCode,BuildNumber,Version