How to replace the win10 key?

  
The 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.
































If the key is valid, please 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 determine its speed according to the computer configuration! After the completion, the upgrade will be successful and your computer will be ready.

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