System Recovery is a process used to restore a computer or device to a previous state, often to fix issues like software malfunctions or system crashes. It can involve using built-in tools or recovery disks to revert the system to a point where it was functioning properly. During System Recovery, users can choose to restore their system to a specific date or factory settings. This process helps recover lost data and improve performance by removing problematic software or settings. It's an essential tool for maintaining the health and stability of a computer system.