Error 0xC004F213 typically indicates that the product key you are using is not valid for the version of Windows you are trying to activate. Here are some steps you can take to resolve this issue:
- Verify the Product Key: Ensure that the product key you are using is correct and matches the version of Windows you have installed. For example, a Windows 10 key will not work for Windows 11.
- Check Activation Status: Go to Settings > Update & Security > Activation to check the current activation status of your Windows installation.
- Use the Command Prompt: Open an elevated Command Prompt and run the following command to attempt reactivation:
This command attempts to activate Windows using the current product key.slmgr.vbs /ato - Contact Microsoft Support: If you continue to experience issues, contacting Microsoft Support may provide additional assistance, especially if you believe your product key should be valid.
- Consider a Different Activation Method: If you are using a Volume License key, ensure that your system is configured correctly to use this method.
By following these steps, you should be able to resolve the activation error and successfully activate your Windows installation.