How to Fix Windows Validation

1. Turn on your computer and wait for it to boot up. You will be greeted with your Windows desktop.
2. Click the 'Start' button and right-click the 'Computer' link. Click 'Properties' and you will be brought to your Windows System Control window.
3. Click 'Activate your copy of Windows' and your copy of Windows will be validated. If it fails to validate, click 'Change Product key' and enter your Windows activation key found on your Windows packaging.
4. Click 'Activate' and Windows will be validated.