Win keyfinder 2.2.01 is a Small Freeware Utility that helps find Windows Product/CD Key that was used during Windows Installation from the System Registry, it can retrieve lost product keys from MS Windows 11, Windows 10, Windows 8, MS Windows 8.1, Windows XP, Windows 2000, Windows ME, 98, 2003 and. Rated No.1/ Most Secure and easy to use.