Read here to learn about Windows Activation
http://aumha.org/win5/a/wpa.htm
--
Xandros
"DeanB" <deanbrown3d@yahoo.com> wrote in message
news:4d5e1eb2-2183-42d4-b72f-337fb2852b37@e1g2000hsh.googlegroups.com...
> Hello all, I'm working on some multithreading software development,
> and I would like to be able to test on a core 2 duo and also a quad
> cores for comparison. But I only have one decent PC. Do you have to re-
> register XP when the processor (only) is changed? Any experience with
> this?
>
> Thanks
>
> Dean