UTM is a cross-platform emulator that allows you to run macOS, Windows, or Linux. Here's how to use it to run very old versions of Apple's Mac operating system. But there's another great free OS ...

Apple’s macOS operating system has changed a lot over the last 25 years, with new features and designs coming and going as the decades have passed. Even the name has been adjusted, starting out as Mac ...

Editor’s note: Roman’s faulty memory incorrectly stated originally that Apple removed the installation discs from the Apple Store. Apple actually offered Lion and Mountain Lion download codes through ...

June 8, 2009: Apple introduces OS X Snow Leopard, a version of its Mac operating system that ranks among the company’s finest desktop updates. Showcased at Apple’s Worldwide Developers Conference in ...

Developer James Thomson, who is behind the popular scientific calculator app PCalc, worked at Apple at the time when the company was developing the first version of Mac OS X, which would later replace ...