The operating system that powers every Apple computer is called MacOS. And if you haven’t used Apple products for very long, ...

Apple’s Mac operating system has undergone many sizeable changes over the years. Here’s every version in order, from the first edition in 2000 to the present.

Changing Start menus? The introduction of Live Tiles? The history of Microsoft’s flagship operating system (OS) includes all of that and so much more. Over the past 35 years, the Windows ...

In order to put together the operating system so quickly ... into Windows and IBM turned its version into OS/2. The rest is history. Microsoft announced they'd no longer support MS-DOS in 1994.