System Information shows you all kinds of information about the computer you run it on. It gives you hardware details, such as CPU information, RAM information, monitor information and information about your Windows installation. It includes a process list, so that you can see all running processes (and terminate them), and it features a window list, showing all windows created by applications (even hidden ones) with the ability to hide and show them. You can save reports to a text file or print them to a printer.