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.

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 ...

Various versions of Microsoft's Windows operating system have existed since the 1980s. While the operating system got its start on personal computers, today, versions of Windows are available for a ...

Windows 10 was launched in July 2015. It was supposed to be the last major operating system (OS) upgrade, but Microsoft released Windows 11 in October 2021, and now Windows 10 has reached end of life, ...