On the eve of unveiling its latest generation of Macintoshes, Apple Computer told reporters of something even greater on the horizon: a new version of the Mac operating system that would add a bevy of ...

Copland never saw the light of day. Photo: Ste Smith/Cult of Mac April 26, 1996: Mac OS Copland, Apple’s eagerly anticipated but much-delayed operating system for the Macintosh, suffers a fatal blow ...

Apple Inc.'s new macOS Tahoe 26 will be the final Mac operating system software that will work on Macs running Intel Corp. processors, the company said Monday following its developer conference. Save ...

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 ...

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 ...