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OS X El Capitan was released to end users on September 30, 2015, as a free upgrade through the Mac App Store. [ 6 ] OS X El Capitan is the final version of OS X to support Aluminum Macs and Xserve , as its successor, macOS Sierra drops support for the mid 2007 and final models.
A few years later, in 2020, with the release of macOS Big Sur, the first component of the version number was incremented from 10 to 11, so Big Sur's initial release's version number was 11.0 instead of 10.16, making the version numbers of macOS behave the way the version numbers of Apple's other operating systems do. [37]
System Information, formerly System Profiler, is a software utility derived from field service diagnostics produced by Apple's Service Diagnostic Engineering team, at that time located in Apple satellite buildings in Campbell, California, that was bundled with the classic Mac OS since Mac OS 7.6 under the name Apple System Profiler.
The user interface (UI) has also been redesigned, and has replaced the previous Help system included in earlier versions of macOS. The app surfaces individual user guides for apps such as Freeform, Pages, Keynote, Notes, and Apple TV, and also surfaces user guides for any other devices a user may own, such as an iPhone, Apple Watch or Apple TV ...
An exception to this was the Developer Transition Kit, which always reported the system version as "11.0". [9] macOS Big Sur started reporting the system version as "11.0" on all Macs as of the third beta release. To maintain backwards compatibility, macOS Big Sur identified itself as 10.16 to legacy software and in the browser user agent. [10]
Get answers to your AOL Mail, login, Desktop Gold, AOL app, password and subscription questions. Find the support options to contact customer care by email, chat, or phone number.
Releases from Mac OS X 10.5 Leopard [42] and thereafter are UNIX 03 certified. [43] Apple's mobile operating system, iOS, has been considered a variant of macOS. [44] Mac OS X 10.0 (code named Cheetah) was the first major release and version of macOS, Apple's desktop and server operating system. Mac OS X 10.0 was released on 24 March 2001 for a ...
Version Build Date Darwin version Release notes Standalone download 10.13 17A365 September 25, 2017 17.0.0 Original Mac App Store release About the security content of macOS High Sierra 10.13 — 17A405 October 5, 2017 About the security content of macOS High Sierra 10.13 Supplemental Update: macOS 10.13 Supplemental: 10.13.1 17B48 October 31, 2017