A system may refer to any of the following:
1. When referring to a computer, system or system unit is used to distinguish the complete computer. See our computer definition for full information about a computer.
3. System refers to a window and menu found in Windows Vista, Windows 7, Windows 8, and Windows 10 that displays a basic overview of your computer. The System window allows users to customize many system settings through System Properties and access Device Manager.
Below are examples of how the Windows System window may look.
Windows 10 System window
Windows 8 System window
Windows 7 System window
5. A help system is any software designed to assist the user with using a product or service. See our help page for further information and other examples of this system.