Need to find out windows serial number

[andre79]

hey guys i want to reinstall my windows xp but i don't know the serial number that was installed on my computor. the guy that installed windows on my computor never but the sticker with the number on the side of the computor.

is there a way of finding it out in the registry?

[rond36]

Here are a couple of freeware programs that should work (http://main.thatcomputerguy.us/modules/mydownloads/viewcat.php?cid=4)