Reinstalling software? Older versions of Windows and Microsoft Office require product keys. Here's how to find them before your PC goes kaput. Our team tests, rates, and reviews more than 1,500 ...

Product keys for Windows 8 computers aren't printed on a sticker. They're encrypted in the BIOS. How might that affect you? Lance Whitney is a freelance technology writer and trainer and a former IT ...

Most pieces of commercial software come with some form of protection to deter unauthorized copying and installation. Although software makers use different methods to achieve this goal, one common ...

In brief For the longest time Windows PCs came with a product key sticker that was placed outside of the machine or with your computer's manuals. But in recent years manufacturers started storing this ...

The Windows 10 product key — a 25-digit code included with every copy — acts as proof of an authorized purchase. You can download and use much of Windows 10 ...

Your Windows 11 product key is about as important as your social security number. Well, at least as far as your PC’s operating system goes. This is a random combination of numbers, letters, and dashes ...