Get step-by-step instructions for determining the operating system (OS) version on your devices and why it is so important to keep the OS updated.

A traditional operating system (OS) such as Windows, macOS and Linux facilitates user interaction with hardware through a graphical user interface and manages tasks like memory allocation and process ...

Not sure which desktop operating system is best for you? We help you choose by comparing the top options based on app compatibility, ease of use, hardware availability, interface design, gaming ...

The computer's master control program. When a computer is turned on, a small "boot program" loads the operating system. Although additional system modules may be loaded as needed, the main part, known ...