Your PC must be connected to the internet to reach the Microsoft Activation Servers to validate the updated key. Why You Should Avoid "Free" Key Generators
Identify the license type:
Context & premise
Ensure your firewall isn't blocking Microsoft’s activation servers. windows upgrade mate license key updated
If you use to manage your OS transitions or licensing, you might have noticed a small but significant notification pop up recently: “License key updated.” Your PC must be connected to the internet