Windows reinstallation: Your PC may forget its licensing after reinstalling Windows. What causes the issue? An incorrect activation key: Your PC will suddenly seem to invalidate your Windows license if you have been using an invalid key. How many days does a user have before they must activate Windows?ģ0 days Why does my computer keep telling me to activate Windows?
What happens if you use Windows without activation?.Why does my computer keep telling me to activate Windows?.How many days does a user have before they must activate Windows?.