OS transfer?

[Greavesy]

I'm building a pc for my brother, hes got an old pc with XP on the hdd and hes not a big fan of win 7, is it possible to just put the hard drive into the new build with xp on it or do i have to go down some other route?

 

[Greavesy]

=/ its a really old dell pc, was just hoping to save some money. Il try and look for a disc but i dont remember it comign with one.