a while ago when xp first came out a mate of mine installed it on my computer for me, now ive started up my computer and the xp startup thing has showed (im not sure wot its called but when u install xp on a new computer u get this message on first start up) and now i have to enter in the 25 letter registration code presented on the certificate of authenticity
my mate doesnt have the code for that copy anymore and i need that computer, can anyone help?!?!