You can still buy Mac OS X lion and Mac OS X Mountain Lion from the Apple store for approximately $20 each, but they've also been made available for free through Apple support documents.

In addition to their Mac OS X products, Sustworks will show the latest version of their OS 9 products at MWSF, including IPNetMonitor, which has been updated to version 2.5.2 and adds support for ...

Apple has released OS X 10.9 Mavericks, and somewhat surprisingly it is a free upgrade for all existing OS X users. If you're using a Mac laptop or desktop from the last five years or so, you ...

Top 10 New Features in Mac OS X 10.9 Mavericks It may be a free update for Mac users, but Mavericks delivers premium new features here are ten of the most important.

Mac OS X is now 20 years old, and the operating system that once seemed like it was from 20 years in the future is more relevant now than ever before.

OS X 10.9.2 Mavericks is the feature-richest, most convenience-filled, and slickest consumer-level operating system on the planet. If you're using a Mac, I heartily recommend you install this free ...

My coworkers made me use Mac OS 9 for their (and your) amusement If you want to appreciate the present, try living in the past for a few days.

On Friday, April 15th, 2005, Apple released Mac OS X 10.3.9 and Mac OS X Server 10.3.9 to Software Update, and as a series of standalone Web downloads: Mac OS X 10.3.9 Combined [117 MB] ...

Apple used to name its Mac operating system after different species of cats, but now it's sticking to California landmarks like the rock formation El Capitan.

A retrospective on Mac OS from I to X showcases Apple's evolution in operating systems over the years.

Upon completion of the USB formatting, locate Install Mac OS X Mavericks.app (downloaded in step #1 to the Applications folder, by default).

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.