In the event of a computer crash you lose hundreds of dollars in software if you cannot find your product keys with "Backup Key Recovery" you can prevent losing your investment and money. "Backup Key Recovery" recovers over popular software product keys from a crashed hard disk drive! In order to install or reinstall Microsoft Office Windows or other commercial software you must have access to a product serial key (CD Key) for that product. Backup Key Recovery retrieves product key for over 2500 other software versions installed on your crashed or secondary hard disk drive. Before using software you should recover registry files in your crashed hard drive if they are damaged then connect it to your computer as secondary hard drive and using "Backup Key Recovery" browse find software registry file ( Located in Windows\System32\config\software ) and recover installed major software products activation keys. Backup Key Recovery supports more than software packages. The program has a user friendly interface. You should press "Browse.../Recover Backup Keys" button to retrieve software license keys from your secondary hard drive.