That’s because the activation for the free offer of Windows ... Buyer has purchased a Windows 11/10 Pro upgrade in the Windows Store and successfully activated Windows 10. Any user upgrading ...
Use the Command Prompt. Disable Network Adapter. If you have upgraded to Windows 10 Pro and have trouble in its Activation, you can use the Registry Editor to help you. Hit the WINKEY + R button ...
Since Windows 11 is still a free upgrade from Windows 10, license keys for the latter can still activate Windows 11 ... while the Pro edition will set you back $199.