I get some HP laptop with a dodgy vista resore disk! ok ill reinstall vista from a normal cd but hang the serial number has faded of the bottom of the machine!!! aaaaghhhh! i was thinking what have to get my client to buy vista again!? this pile of shit!! nooope in comes a handy little open source app called magic jelly bean keyfinder! this app gets your windows serial ! any version even on a restored version which is handy and it also gets your office and other microsft serial numbers you may require!!!! anyway got the serial installed vista from scratch and its stable again………
check this
http://magicaljellybean.com/keyfinder/