Mac OS X 10.11 El Capitan is the next version of OS X, succeeding Yosemite. Apple previewed the new version of the Mac operating system alongside iOS 9 at the Worldwide Developers Conference on Monday ...

Software engineer Mihai Parparita is at it again. After previously turning macOS 8 and earlier versions of Apple’s Mac OS into workable web apps, Paparita has released a new Mac OS emulator for the ...

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 ...

UTM is an emulator for virtualizing other operating systems. Here's how to use it to run Apple's Mac OS 9 on a Mac running on Apple Silicon. UTM is an OS emulator that lets you virtualize and run a ...

Back when Ars Senior Products Editor Andrew Cunningham was forced to work in Mac OS 9 by his colleagues in September 2014, he quickly hit a productivity wall. He couldn’t log in to his Ars e-mail or ...