About nine months ago, I acquired a 13-inch MacBook Air. At that point, the first Ultrabooks had been announced but were not yet shipping. Even so, I might have waited, except that the Ultrabooks I’d ...

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 ...