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 ...

A: Ah, the venerable Windows Product Key. That 25-digit alphanumeric prize that marks the difference between a legitimate copy of Windows and one that Microsoft considers pirated. This little piece of ...

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 ...

To protect its products and software, Microsoft strictly regulates the sale and use of Windows software by embedding a validation code, also called a product key, in every copy of Windows. Should you ...

Computer disasters at the office seem to always come at an inopportune time. One common problem is not being able to access the business files on your computer because of corrupted software or a hard ...

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 ...

One thing that has been common on notebook and desktop computers purchased at retail for years is a little sticker on the bottom or on the back of the machine that has the Windows product key. The ...

Your Windows 10 product key serves as proof that you actually own Windows 10. You can find your Windows 10 product key through the Command Prompt, or by checking the packaging. You might need to ...