XP Key Changer finds Windows XP Product Key, retrieves Owner, and Organization information. Finds and decrypts the product key in your computers and displays the information right in the main panel. Also recovers the Service Pack version, Owner registered name and Organization registered name. Changes all this information, with one click, on ALL your machines. XP KEY CHANGER is the 1st to support ALL the Service Packs, included the Service Pack 3.