Magical Jelly Bean Keyfinder is a freeware utility to recover the product key (cd key) used for installation of Windows from your system registry.
It has a configuration file that is updated by the community and retrieves product keys for many other applications. Another feature of the application is the ability to recover product keys from old Windows installations that are not running.
Works for installations Windows 2000, XP, Vista, Windows 7, 8 or 10. According to the manufacturer, the free version of Magical Jelly Bean Keyfinder can recover keys from 300+ different proletterthe.
The “pro” version of the app (called Recover Keys) is not free but can retrieve activation codes for 10,004 applications.