How to Change the Office 2007 Enterprise Product Key. ... Close Registry Editor, and then restart Office. Enter your new product key, when prompted, and then click "OK." Advertisement.

We’ve all lost a few hairs when trying to find Microsoft product keys. Digging through the registry for them is a time waster for tech gurus, and flat-out daunting for the less experienced.

There are multiple types of Office product keys, ... by searching it out of the Start Menu. Then, go to the following location. ... such as misconfigured registry key or corrupted installation ...