System Restore disabled or greyed out? Turn On System Restore in Windows 11/10

How to Perform an OS System Restore (With Data Backup)

How to turn off System Restore in Windows 11/10

How to delete System Restore Points and Previous versions of files in Windows 11

Windows.old Restore: How to Restore Files from Windows.old Folder

To use System Restore you must specify which Windows installation to restore