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 ...

The Basilisk II emulator can be used to run old versions of Mac OS 8 and System 7 on a modern Mac. Here's how to get started using it. Before macOS and OS X, there was Mac OS 9, and before that were ...

OS X changed the game for Apple. Image: Killian Bell/Cult of Mac OS X, the most important piece of software in Apple history, turns 20 today. Going on sale in its full, public version on March 24, ...