Change your product key in Windows 10 via your system settings menu: If you are, feel free to choose any of the following methods: Option 1. To begin with, make sure you are signed in as an administrator. There are no fewer than 6 ways to reach your system settings and change your product key in Windows 10. If you are running Windows 10, you can rest easy knowing that Microsoft has done its utmost to simplify the procedure you are willing to perform.
