Reinstalling software? Older versions of Windows and Microsoft Office require product keys. Here's how to find them before your PC goes kaput. Lance is an experienced writer who tries to unravel the ...

Your Windows 10 product key serves as proof that you actually own Windows 10, and might need to be entered when you reinstall ...

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 ...

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 ...

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 ...