Windows PowerShell Help - Live on TechNet

Updated Windows PowerShell Help topics are now live in the TechNet library at http://technet.microsoft.com/en-us/library/bb978526.aspx. We'll be updating weekly, so keep it bookmarked and check back frequently.

If you misplace this easy-to-recall URL, you can find us anyway:

1. Go to TechNet (http://technet.microsoft.com).
2. Click the Library tab.
3. In the TOC, click Windows PowerShell.

Source : blogs.msdn.com/powershell