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 ...

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 ...

If you've ever have to wipe the drive of a very old Mac, you know you need an old macOS to get it running again. Beyond Restore, Apple only grudgingly allows downloads, but others are trying to make ...

macOS 15, best known as macOS Sequoia, is named after the California National Park and, more specifically, the world’s largest trees. Among the new features introduced on Macs with Sequoia in ...

An Ars Technica colleague recently bought a new M4 MacBook Air. I have essentially nothing bad to say about this hardware, except to point out that even in our current memory shortage apocalypse, ...

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 ...

This is a real operating system blast from the past.