The fastest and easiest way to reinstall Windows 11 on a PC or laptop without losing data or clearing the data disk is to use the default system reset function.
Reinstalling Windows 11 will help restore the system to factory defaults without having to download the Media Creation Tool and create an installation USB drive, boot into the BIOS, and select boot options.
Steps to Reinstall Windows 11
Step 1: Navigate to Settings > System > Recovery .
Step 2: In the column ” Return the PC to its original state “, click on ” Restart the PC .”
Step 3: Choose to reinstall Windows 11 and keep your files or delete them.
Step 4: Select Reinstall Locally as this is faster, but you can choose to download from the cloud, downloading and reinstalling the current version of Windows 11.