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From the introduction of machines not supporting the classic Mac OS in 2003 until the introduction of iPhone OS in early 2007, Mac OS X was Apple's only software platform. macOS retained the major version number 10 throughout its development history until the release of macOS 11 Big Sur in 2020.
- Mac OS X 10.0 (Cheetah) March 24, 2001: Aqua interface is born with Mac OS X Cheetah. It’s a big step in the evolution of graphical interfaces, with 2D and 3D graphics support, granting an all-new visual experience.
- Mac OS X 10.1 (Puma) September 25, 2001: As you might have noticed, the first generation of Apple’s operating systems was named after animals. Puma arrived with a solid performance boost and a few other functional improvements such as simplified CD and DVD burning, new features in Finder, and more extensive printer support.
- Mac OS X 10.2 (Jaguar) August 23, 2002: The third release of Mac OS X added search to Finder (can you imagine it, Finder used to exist without it!) Jaguar also brings MPEG-4 support for QuickTime, a range of privacy features, and, for the first time, Accessibility API called Universal Access.
- Mac OS X 10.3 (Panther) October 24, 2003: Meet Safari! The first official web browser made by Apple replaces Internet Explorer on Mac. In fact, Safari was available on Jaguar but it’s the first release where it becomes a default browser.
Learn the names and history of every version of Mac OS X and macOS from 2001 to 2023. Find out the latest version of macOS, how to check your current version, and how to update your Mac.
- Karen Haslam
Learn how to check which macOS version is installed on your Mac and how to update to a later version if compatible. See the latest macOS versions and the computers they support.
Aug 21, 2023 · Learn about the history and evolution of Apple's desktop operating system, from Mac OS X 10.0 to macOS 14 Sonoma. See the version number, code name, and release date of each macOS update since 2001.
After sixteen distinct versions of macOS 10, macOS Big Sur was presented as version 11 in 2020, and every subsequent version has also incremented the major version number, similarly to classic Mac OS and iOS.
Explore the evolution of macOS from 2001 to 2023, with detailed information on each version's features, improvements, and compatibility. Learn about the latest release, macOS Sonoma, and its new lock screen, widgets, screensavers, video conferencing, gaming, and security enhancements.
