Windows PowerShell 2.0 for Windows XP and later
Now you can install Windows PowerShell 2.0 on the following Windows operating systems:
-- Windows XP with Service Pack 3
-- Windows 2003 with Service Pack 2
-- Windows Vista with Service Pack 1 or Service Pack 2
-- Windows Server 2008 with Service Pack 1 or Service Pack 2
To install, visit
http://go.microsoft.com/fwlink/?LinkID=151321.
For information about this update, see "Windows
Management Framework is here!" on the Windows PowerShell Blog.