One method is to enter 'wmic path SoftwareLicensingService get OA3xOriginalProductKey' in Command Prompt This article ...

It will also add a notification on your background, prompting you to “Activate Windows.” Until you use a genuine product key ... up-to-date or you wish to find out why your genuine Windows ...

If you have a regular product key for Windows, you can activate it using the Settings app. If you made a change to your PC or ...