As a result, SCS Computing Facilities (SCSCF) is phasing out software support for all computers running macOS 10.13 High Sierra and will end support on January 31, 2021. The name 'High Sierra' refers to the High Sierra region in California. macOS High Sierra was announced at the WWDC 2017 on Jand was released on September 25, 2017. In keeping with Apple’s release cycle, we anticipate macOS 10.13 High Sierra will no longer receive security updates starting in January 2021. macOS High Sierra is the fourteenth major release of macOS, Apple Inc.'s desktop operating system for Macintosh computers.
![apple macos high sierra security why apple macos high sierra security why](https://www.macobserver.com/wp-content/uploads/2018/06/mojave-software-update.jpg)
You get all the improvements that Mojave users get, plus all the benefits of upgrading from High Sierra to Mojave. But what if you’re still running macOS High Sierra? Well, the news then it is even better. Most coverage of macOS Catalina focuses on the improvements since Mojave, its immediate predecessor. In early February, a severe security flaw was discovered in macOS. Not only that, but the campus recommended antivirus for Macs is no longer supported on High Sierra which means Macs that are running this older operating system are no longer protected from viruses and other malicious attacks. What happens when high Sierra is no longer supported? There are newer versions of the OS available too, with a security update for 10.13. I can also be downloaded as an update from the Mac App Store and as an installation file.
![apple macos high sierra security why apple macos high sierra security why](https://venturebeat.com/wp-content/uploads/2018/01/1510861215375.jpg)
And I have 'Yosemite or later: later', so to speak.
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Is Mac OS High Sierra still available? Yes, Mac OS High Sierra is still available to download. Question: Q: I have macOS High Sierra so why am I seeing this In iCloud via Safari, I see 'my devices' with a caption that I am running programmes for iPhone and Apple Watch neither of which devices I have.
![apple macos high sierra security why apple macos high sierra security why](https://news-cdn.softpedia.com/images/news2/best-antivirus-for-macos-high-sierra-521679-2.jpg)
How do I update my Mac to High Sierra 10.13 6?.How do I upgrade my Mac from 10.7 5 to High Sierra?.Various updates and patches have been released since then to address security issues and add feature improvements. There are several new security and privacy features as well, which I will cover in this article. Apple released macOS High Sierra for general download on September 25, 2017. What happens when high Sierra is no longer supported? Apple’s 13th release of the modern UNIX based operating system, macOS High Sierra, has arrived macOS High Sierra introduces a slew of new features and core technologies that improve salient functions of your Mac.
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