It’s part of the Windows Management Framework 3.0.
It’s included with Windows 8 and Windows Server 2012, but it can be installed on
- Windows 7 SP1,
- Windows Server 2008 R2 SP1 &
- Windows Server 2008 SP2
To download : www.microsoft.com/en-us/download/
You may also take a look at Windows PowerShell 3.0 and Server Manager Quick Reference Guides
