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The release of Big Sur was the first time the major version number of the operating system had been incremented since the Mac OS X Public Beta in 2000. After sixteen distinct versions of macOS 10 ("Mac OS X"), macOS Big Sur was presented as version 11 in 2020, and every subsequent version has also incremented the major version number, similarly ...
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 ...
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Mac OS X 10.7: Lion: 11 64-bit Intel 32/64-bit Intel October 20 ... macOS 11: Big Sur: 20 64-bit Intel ... an optional download or installation choice ...
Catalina is the first version of macOS to support only 64-bit applications and the first to include Activation Lock. [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.
The classic Mac OS is the original Macintosh operating system introduced in 1984 alongside the first Macintosh and remained in primary use on Macs until Mac OS X in 2001. [ 6 ] [ 7 ] Apple released the original Macintosh on January 24, 1984; its early system software is partially based on Lisa OS , and inspired by the Alto computer, which ...
macOS Ventura 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 Mini, 2015 iMac and cylindrical Mac Pro. The 21.5 inch 2017 iMac is the only ...
macOS High Sierra (version 10.13) is the fourteenth major release of macOS, Apple Inc.'s desktop operating system for Macintosh computers. macOS High Sierra was announced at the WWDC 2017 on June 5, 2017 [4] and was released on September 25, 2017.