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 ...

First, make a full backup of your current Mac OS X installation -- preferably a clone ( try SuperDuper! or Carbon Copy Cloner). If something goes wrong, or you experience a major incompatibility after ...

Classic Mac OS was prized for its clean, accessible GUI when it first hit the scene in the 1980s. Back then, developers hadn’t even conceived of all the weird gewgaws that would eventually ...

Leave all Apple-installed components where they are. Don't, for example, move Safari out of /Applications, or move your user Home folder. In System Preferences > Software Update, make certain that ...

The only Mac to launch since Tahoe was released is the M5 MacBook Pro, so owners of that system will need Tahoe or newer. If ...

I’m still in the very early stages of poking at macOS 15 Sequoia ahead of our customary review later this fall, and there are quite a few things that aren’t working in this first developer beta. Some ...

OS X may be retired, but it deserves to be remembered. Take a trip back with these 14 key milestones in the double-decade history of the operating system that helped transform a nearly bankrupt Apple ...

Microsoft may still dominate the operating system market, but Linux and Apple’s Mac OS platforms were the fastest-growing in 2010, according to new data from Gartner. Worldwide operating system ...

Has it really been that long? 24 March 2021 marked the 20th anniversary of Mac OS X. For those of us who were there to witness its release, it’s stunning to think that most of today’s Apple users ...

Until recently if you wanted to upgrade (or downgrade) old Mac to Mac OS X Lion (from 2011) or Mountain Lion (from 2012) you needed to pay Apple and the company would send you a special download code ...

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 ...

Macintosh servers and workstations might not be the black sheep of network and systems management any longer. The reason, IT executives say, is that a new version of Apple’s Unix-based operating ...