This tutorial to show methods to change Windows Product Key and Windows Activation

GUI Mode

1. Open Run Dialog and enter slui 3

2. Enter New Windows Key in Product Key textbox

3. Click on Next or Activate button to activate Windows License

Command Line Mode

1. Open Command Prompt in Administrator Mode

2. Execute command:

slmgr.vbs /ipk <PRODUCT_KEY>

3. Please wait until Windows Script Host dialog appear to show the result.

4. To activate windows, execute command

slmgr.vbs /ato