How to replace the win10 key? Win10 key replacement method

win10 preview version provides the key, but for long-term use, you can collect this replacement method:

Click the right button to see the control panel. click to enter.

In the Control Panel, find [Add a function to Windows
Tchnical Preview] to enter

I have purchased the product key

Enter your new product key.

If the key is valid, continue when you are ready. This shows that this serial number is useful. Click Next.

Adding a program, this process takes a little longer. It may also be based on the computer
configuration to determine its speed! After the completion, you will be prompted to upgrade successfully, your computer
is ready