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.

What does operating system actually mean? Find out inside PCMag's comprehensive tech and computer-related encyclopedia.

How to Reset the Operating System on a Gateway. From time to time, changes you make to the system files of your operating system can cause your computer to become unstable and start performing in ...

The operating system (OS) is the backbone of your computer. If the OS is compromised, attackers can take over your computer -- or crash it. Now researchers have developed an efficient system that ...