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.

This post shows how to find Windows 11/10 Product Key using Command Prompt or PowerShell, from BIOS, UEFI or Registry. It works for Retail, OEM, etc, licenses.

Reinstalling software? Older versions of Windows and Microsoft Office require product keys. Here's how to find them before your PC goes kaput.

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

Locate your Microsoft Windows and Microsoft Office product keys with this simple guide.

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.