All you need to do is purchase a "Full Version"
of Windows XP Professional and proceed with
a "Repair Install".
How to Perform a Repair Install of Windows XP
http://www.michaelstevenstech.com/XPrepairinstall.htm
--
Carey Frisch
Microsoft MVP
Windows XP - Shell/User
"Telesales Pete "No Expert!!!"" wrote:
> Hi all
> i am currently running a pirate copy of xp pro!!! BUT i want to change
> and become a genuine paid up user, what i want to know is if i buy a licence
> key from microsoft will i have to re-format the pc and then load a genuine
> copy, or can i just use a licence key replacer program and put the genuine
> licence key in, please can someone let me know as i want to get this sorted
> out...