How to activate a Windows 10 Online Activation key?
Redeeming a Windows 10 Online Activation key is really simple, just follow these steps:
- Open Start Menu and click Settings
- Navigate to Update & Security menu, and then Activation tab
- Click on Change product key and insert your key
Are you getting error code 0xC004C008 during activation? Check out our guide on how to resolve it! LINK
The key is not working
If you have activated the key according to the guide but the code appears not to work, please check what type of error message you receive and depending on it follow the appropriate instructions: