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The history of macOS, Apple's current Mac operating system formerly named Mac OS X until 2011 and then OS X until 2016, began with the company's project to replace its "classic" Mac OS. That system, up to and including its final release Mac OS 9 , was a direct descendant of the operating system Apple had used in its Mac computers since their ...
In 1999, Mac OS X Server 1.0 was released, followed by Mac OS X 10.0, the first consumer release of the Mac OS X. From the release of Mac OS X 10.0 until early 2007, Mac OS X was the only software platform. In early 2007, iPhone OS was introduced, increasing the number of software platforms by one, from one to two. In 2010, iPhone OS was ...
The first version of Mac OS X, Mac OS X Server 1.0, was a transitional product, featuring an interface resembling the classic Mac OS, though it was not compatible with software designed for the older system. Consumer releases of Mac OS X included more backward compatibility.
macOS Monterey is the final version of macOS that supports the 2015–2017 MacBook Air, Retina MacBook Pro, 2014 Mac Mini, 2015 iMac and cylindrical Mac Pro, as its successor, macOS Ventura, drops support for those models. It is the last version of macOS that can run on Macs with 4GB of RAM.
Year Launched Model Family Discontinued Lifespan 1983 January 19, 1983 Lisa [a] Compact: August 1, 1986 3 years, 6 months 1984 January 1, 1984 Lisa 2 [a] Compact: January 1, 1985 1 year January 24, 1984 Macintosh 128K: Compact: September 10, 1984 7 months September 10, 1984 Macintosh 512K: Compact: April 14, 1986 1 year, 7 months Macintosh 128K ...
macOS Ventura is the last release for Macs with Apple T1 Security chip. macOS Ventura officially supports Macs with Apple silicon and Intel's Xeon-W and 7th-generation Kaby Lake chips or later, and drops support for Macs released from 2015 to 2016, officially marking the end of support for the Retina MacBook Pro, 2015-2017 MacBook Air, 2014 Mac ...
macOS Sonoma was succeeded by macOS Sequoia, which was released on September 16, 2024. The first developer beta was released on June 5, 2023, [6] and macOS Sonoma entered public beta on July 11, 2023. [7] macOS Sonoma is the final version of macOS that supports the 2018–2019 MacBook Air, as its successor, macOS Sequoia, drops support for ...
Mac OS 9.0.4 was a collection of bug fixes primarily relating to USB and FireWire support. Mac OS 9.1 included integrated CD burning support in the Macintosh Finder and added a new Window menu in the Finder for switching between open windows. Mac OS 9.2 increased performance noticeably and improved Classic Environment support.