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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.
macOS Big Sur was announced on June 22, 2020, during the WWDC20 keynote speech. [77] It was released November 12, 2020. [78] The major version number is changed, for the first time since "Mac OS X" was released, making it macOS 11. It brings ARM support, new icons, GUI changes to the system, [79] and other bug fixes. Since macOS 11.2.3, it is ...
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.
[3] [1] It is also the last version of macOS to have the major version number of 10; its successor, Big Sur, released on November 12, 2020, is version 11. [4] [5] In order to increase web compatibility, Safari, Chromium and Firefox have frozen the OS in the user agent running in subsequent releases of macOS at 10.15.7 Catalina. [6] [7] [8]
Minimum Mac OS X 10.6 Snow Leopard: Mac OS X 10.7 Lion: OS X 10.8 Mountain Lion: OS X 10.9 Mavericks: OS X 10.10 Yosemite: macOS 10.12 Sierra [d] Latest release macOS 10.13 High Sierra: macOS 10.15 Catalina: macOS 11 Big Sur: macOS 12 Monterey: Battery 11" 35-watt-hour — 35-watt-hour — 38-watt-hour — 13" 50-watt-hour 54-watt-hour Type
Mac OS X 10.4 Tiger: Mac OS X 10.5 Leopard: Latest release Mac OS X 10.6.8 Snow Leopard (If only 512 MB RAM are installed, then only 10.5.8) Mac OS X 10.7.5 Lion (If only 512 MB or 1 GB RAM are or is installed, then only 10.5.8 or 10.6.8 respectively) Mac OS X 10.7.5 Lion (If only 1 GB RAM is installed, then only 10.6.8) OS X 10.11 El Capitan ...
All Macs that supported macOS Sierra support macOS High Sierra. [8] iMac (Late 2009 or later) MacBook (Late 2009 or later) MacBook Air (Late 2010 or later) MacBook Pro (Mid 2010 or later) Mac Mini (Mid 2010 or later) iMac Pro (2017) Mac Pro (Mid 2010 or later) macOS High Sierra requires at least 2 GB of RAM and 20.12 GB of available disk space.