Reactivating Windows 10 after a hardware change
* If you made a significant hardware change to your device, such as replacing the motherboard, Windows might no longer be activated.
* The Activation troubleshooter might be able to help you reactivate Windows 10 after a hardware change.
* Select the Start button, select Settings > Update & security > Activation, and then select the Troubleshoot button. You must be signed in as an administrator to use the troubleshooter.
* If running the troubleshooter doesn’t help or you don’t see the Troubleshoot button, you’ll need to contact support (http:…