http://www.winhelponline.com/blog/recover-product-keys-unbootable-windows-pc/http://forums.storagereview.com/index.php?/topic/20842-recover-windows-product-key-from-non-boot-drive/U starsich verzi to slo primo z registru:http://www.dagondesign.com/articles/windows-xp-product-key-recovery/