How to Find a Product Key in Registry

When you purchase new software, you have to activate it with a product key. The product key for a piece of software can usually be found on the installation CD or in an email if the product was bought online. If you lose your product key, it can be retrieved quite easily by navigating through Windows Registry.

Step

Click the Start button, type "regedit" into the search bar and press enter. This will launch the Registry Editor.

Step

Click the plus button next to "HKEY_LOCAL_MACHINE," then navigate to "Software" and double-click the folder.

Step

Locate "Microsoft" then double-click then folder to open it.

Step

Scroll through the folders to find the directory that contains the software you need the product key for.

Step

Double-click "Product ID" to see your product key.