To restore Tabs in File Explorer after Restart in Windows 11, enable the 'Restore previous folder windows at logon' setting in Folder Options.

To run it, search for Disk Cleanup in the Start menu, select the drive with update files (this is usually the C drive), and click the "OK" button. Tick the necessary options, such as "Windows Update ...

Undelete files via Windows built-in app If you don’t want to install any file recovery software on your computer, Windows has a built-in app for data recovery.

On Windows 11, if you have to modify the Registry, you can back up each key individually without having to create a backup of the entire database or system, and here's how.