How to list all PowerShell profiles

$profile | format-list * -force

Ref : Understanding the Six PowerShell Profiles

What’s new in PowerShell 2.0

http://blogs.msdn.com/powershell/archive/2007/11/06/what-s-new-in-ctp-of-powershell-2-0.aspx

How to allow script execution

set-executionpolicy remotesigned

How to install Powershell 2.0

On Windows 7 and Windows 2008 R2 :

Already included

On Windows XP, Windows 2003, Windows Vista, Windows 2008 :

Part of the Window Management Framework.

The framework includes :

• Windows Remote Management (WinRM) 2.0
• Windows PowerShell 2.0
• Background Intelligent Transfer Service (BITS) 4.0

Note : Powershell shorcuts are in Start menu > Programs > Accessories > Windows PowerShell