It allows you to backup your system state to a single system state archive file and restores any previously saved system state. Aid System Restorer can save you from reinstalling Windows and reformatting the hard drive. Aid System Restorer is also very useful in case of a fatal Windows crash. It contains Boot Disk Creator and an MS-DOS module, which will help you even if things go bad and not launch your Windows anymore.
Aid System Restorer is a very configurable tool, so advanced users may tune it for their needs. It allows you to store not only the system state but all installed software information too. Also, you may manually select files you are interested in storing.