Lost your Windows 7 product key? Use this quick guide to recover it from stickers, emails, tools, or Microsoft Support.

You just replaced your PC's hard drive, but now you have to reinstall and reactivate Windows or Office on your new system. Can you do it without the product keys for ...

There are various reasons you might want to find your laptop or computer’s serial number. Some schools ask that you register your laptop for academic use. Workplaces often do the same thing. You may ...