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macOS. 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 ...
macOS. macOS Big Sur (version 11) is the seventeenth major release of macOS, Apple 's operating system for Macintosh computers. It was announced at Apple's Worldwide Developers Conference (WWDC) on June 22, 2020, [ 4] and was released to the public on November 12, 2020. [ 5][ 4][ 6] Big Sur is the successor to macOS Catalina, and was succeeded ...
macOS can be updated using the Software Update settings pane in System Settings or the softwareupdate command line utility. Until OS X 10.8 Mountain Lion, a separate Software Update application performed this functionality.
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.
In Mac OS 9 and early versions of Mac OS X, Software Update was a standalone tool. The program was part of the CoreServices in OS X. It could automatically inform users of new updates (with new features and bug and security fixes) to the operating system, applications, device drivers, and firmware. All updates required the user to enter their ...
macOS. macOS Sonoma (version 14) is the twentieth and current major release of macOS, Apple 's operating system for Macintosh computers. The successor to macOS Ventura, it was announced at WWDC 2023 on June 5, 2023, [ 4] and released on September 26, 2023.
Similar to Sonoma, the 2019 iMac is the only supported Intel Mac that lacks a T2 security chip. macOS Sequoia is the first version of macOS to drop support for a Mac with a T2 security chip. The following devices are compatible with macOS Sequoia: [5] iMac (2019 and later) iMac Pro (2017) MacBook Air (early 2020 and later) MacBook Pro (2018 and ...
macOS Catalina (version 10.15) is the sixteenth major release of macOS, Apple Inc. 's desktop operating system for Macintosh computers. It is the successor to macOS Mojave and was announced at WWDC 2019 on June 3, 2019 and released to the public on October 7, 2019.