
Restarting the computer can solve many minor issues on your computer. You can restart your computer and try to activate Windows 10/11 again. 12 Tips to Fix Windows 11/10 Activation/Product Key Not Working Tip 1. Besides, you can find a professional data restore tool that can work on Windows PCs. If your Windows 11/10 activation key or product key is not working and you can’t activate Windows 10/11, you can try the tips below to see if they can help you fix the Windows 11/10 activation key not working issue.

Easy and Free Disk Partition Manager for Windows 11/10.

Free Data Recovery Software for Windows 11/10.

