If Windows 11/10 shuts down instead of restarting when you press the Restart button, check Power button options and settings ...

Auto shuts down after inactivity when idle, you need to check the solutions mentioned in this post to resolve the issue.

Windows 11 is generally faster than Windows 10 ... or it may not have run recently if you shut down your PC at night (rather than putting it in Sleep mode) or you haven’t had your laptop ...

Although Windows 11 has a higher system requirement, you may still be able to perform an in-place upgrade or clean installation on an unsupported computer running ...

Press Shift+F10 when the country selection screen comes up. Enter the command "start ms-cxh:localonly". Enter your desired local account username in the pop-up, and you're off to the races.