In keeping with Apple’s release cycle, we anticipate macOS 10.13 High Sierra will no longer receive security updates starting in January 2021. However, there are also some teething problems and security loopholes. The new operating system brings many advantages, a new one and above all faster file system as well as other innovations. You get all the improvements that Mojave users get, plus all the benefits of upgrading from High Sierra to Mojave. Since Septemyou can get the upgrade to macOS 10.13 High Sierra for the Apple Mac, iMac and MacBook. But what if you’re still running macOS High Sierra? Well, the news then it is even better. And I have 'Yosemite or later: later', so to speak. Most coverage of macOS Catalina focuses on the improvements since Mojave, its immediate predecessor. 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. 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. This morning, as of 8 a.m., the update is available for download, and starting later today it will be automatically installed on all systems running the latest version (10.13.1) of macOS High Sierra. And then there are those that don't even require hacking at alljust a knock on the door, and asking to be let in. What happens when high Sierra is no longer supported? There are hackable security flaws in software. 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.
Is Mac OS High Sierra still available? Yes, Mac OS High Sierra is still available to download.
Can you install high Sierra on older Mac?.