Download Windows PowerShell 2.0, WinRM 2.0, and BITS 4.0

Windows PowerShell 2.0 is included in Windows 7 and Windows Server 2008 R2 operating systems by default. (For Server Core edition, it’s available as a feature.) For down-level versions of Windows, you can download Windows PowerShell 2.0 RTM here: Download Windows PowerShell 2.0, WinRM 2.0, and BITS 4.0