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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.
A complete list of every version of Mac OS X and macOS in order, from the first to the current version of macOS. Here's every Mac operating system since Mac OS X launched.
As Apple grew and strengthened the ecosystem through the years, macOS operating system version history evolved too. In this article, we guide you through the evolution of Apple’s operating system, from its first public release in 2001 to the latest macOS Sequoia, which will be released in Fall 2024.
If you need to know the build number as well, click the version number to see it. Find out which macOS versions are the latest. As updates that change a macOS version number become available, this table is updated to show the latest version of that macOS.
This article looks into the roots of MacOS, tracing its evolution from the initial release to its latest incarnations, and the distinctive names each version carries. macOS Versions: Complete List (In Order) Classic Mac OS. System 1 (January 24, 1984) System 2 (April 1985) System 3 (May 1986) System 4 (March 1987) System 5 (October 1987)
Apple released the first version of Mac OS X Server on March 16, 1999, roughly two years before the first consumer release. View the complete list of all versions of Apple's macOS operating system, dating back to 2001.
The first desktop version, Mac OS X 10.0, was released on March 24, 2001. All macOS releases are UNIX 03 certified. [6][7] The derivatives of macOS are Apple's other operating systems: iOS, iPadOS, watchOS, tvOS, and audioOS.
From Mac OS X 10.0 in 2001 to macOS 15 Sequoia in 2024, Apple has launched 21 different versions until this date. In this guide, we mention the Mac’s operating system releases in sequence so you get to know about all the macOS versions released so far.
Since the release of Mac OS X 10.0, Apple has assigned unique names to each version of its operating system, with each name representing a California landmark or natural feature. From 2001 to 2012, all macOS versions were named after big cats, from Cheetah to Mountain Lion.
1. NeXTSTEP and OpenStep. Technically, NeXTSTEP and OpenStep were under NeXT, not Apple. Steve Jobs founded NeXT in 1985 after leaving Apple—its greatest innovations include these operating...