Windows 8.1 has changed a lot of things in the Windows world. Windows 8.1 fixed a few things which were present in Windows 8. Starting from the user interface to a number of features Windows users were accustomed to. Microsoft has also made few changes in the way Windows 8.1 activates. So, here we will show you how to change Windows 8.1 product key and activate Windows 8.1 using the new product key. Follow the steps below to enter a new Windows 8.1 product key replacing your existing Windows product key to activate Windows 8.1.
Note: Using this process you cannot interchange product keys of different Windows 8.1 edition. So, if you have Windows 8.1 installed you cannot use a Windows 8.1 Pro product key, or the other way round. You have to use the product key of the same Windows edition which you have installed.