Unistall Windows8 from Windows XP Pro

Hi 

You cannot ...

All the best Brett  

Let me guess, you had a computer running Windows XP and decided to upgrade to Windows 8. The bad news is that it's a one way upgrade. There is no option to downgrade back to XP. You would need to restore your computer from a backup or re-install your old operating system.

http://technet.microsoft.com/library/jj203353.aspx