Posted by: Richard Siddaway
The PowerShell version 2 download seems to be difficult to find. It is part of the Windows Management Framework (PowerShell 2.0, WinRM 2.0 and (where applicable BITS 4.0).
The install packages for various Operating Systems – Vista, Windows 2008, Windows 2003 and Windows XP are available in 32 and 64 bit versions from
BITS 4.0 is only supported on Windows 2008 & Vista