Click that. The installation will proceed normally. You will have a fully functional operating system with only the cosmetic restrictions mentioned above.
The short answer is . You can install and use Windows 10 or 11 without ever entering a product key. However, "activating" it without a key is a different story. how do i activate windows without a product key
If you recently changed your hardware (like the motherboard), Windows might not recognize your PC. Go to Settings > System > Activation , select Troubleshoot , and choose "I changed hardware on this device recently" . 2. Upgrading from a Genuine Older Version Click that