Administrators, don't ban me !

Somebody misunderstood me, I bought a COMPAQ laptop which included only a CD "recovery process", what the matter I don't have any tool for reinstall if I format the disc !

So my question was, what's the better way to recover MY xp version, with MY s/n, when you've formatted the disc and when you have only a CD "recover COMPAQ process" ?

sorry for having been confusing ?