You must follow specific steps in order to understand how to activate Windows 10. A digital license, often known as a product key, must be purchased. You will be permitted to activate the operating system Windows 10 only if you have this digital licence or product key. If you’re ready to register, go over to Settings and choose Open Activation from the drop-down menu. Click the Settings product key to enter a Windows 10 activation code. If your device already has Windows 10, your version of Windows 10 should be activated right away.