This article explains a few different ways for how to find a Windows 10 product key. Along with using applications on your computer, we’ve listed additional places you can check to locate the key.

However, in the event that you’re still unable to find the key, you can contact your OEM, who’s better positioned to help you find the product key for your Windows 10 copy in such situations.

Right now in our PCWorld Software store you can buy a Windows 10 Pro license for just $69.99, 65% off its typical price of $199.99. Once installed, you can upgrade to Windows 11 Pro for free.

That answer assumes you have a Windows 10 Pro product key. If so, that key will work to perform an upgrade, because all Windows 10 and Windows 11 product keys are interchangeable.

If you need to use Windows 11/10 Pro, purchase its license key from Microsoft Store. After that, you can upgrade Windows Home Edition to Windows Pro Edition by changing its product key.

When you reset a PC that originally shipped with Windows 10 or Windows 11 Home edition, the activation process might restore that edition. Fortunately, it's easy to restore your Pro upgrade.