Your Windows 10 product key may be necessary to unlock all features -- but it's not easy to find. Here's where to look for the product key (even if it's lost).

Can't find Windows 10 product key on your computer? Here are three easy ways to find your Windows 10 product key.

Answer: 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 ...

Want to reuse your existing Windows license key with a new PC? We explain how to determine if that’s possible.

Without the Microsoft Genuine Advantage Diagnostic Tool, you can still check your Windows 11/10 Genuity by using slmgr –dlv and the Command Prompt.

Your Windows 11 product key is an important piece of information that you’ll be able to access in a few different ways. Here’s a step-by-step guide to help.