Take a look at
How to Move a Windows XP Installation to Different Hardware http://support.microsoft.com/default.aspx?scid=kb;nl;314070>I have Windows XP on a PC that is old and I want to trash.
>
>I'd like to install that copy of Windows XP on a PC currently running
>Win98. How do I uninstall/reinstall without hitting any license
>issues?
--sb--