Famous Windows 10 Home To Pro Upgrade Generic Key Ideas. When you got the free upgrade from w8 to w10 it should have installed w10 with the generic key for the edition you were entitled to, home of pro. Click the change button beside the change product key option, then use the generic key below to upgrade to.
Now, click on change product key. After it was updated to windows. So i need to use either the home or pro version generic key.