Make sure that you have an Internet connection to update your Mac.If you see a “ Update Not Found” error, see this article.You can easily free up storage space on your Mac. To see if your computer has enough room to store the update, go to the Apple menu > About This Mac and click the Storage tap. Make sure there is enough space to download and install an update.There could be a variety of reasons for this. It is important that you back up your Mac before you do anything.

Please try the tips belove if you are unable to update your computer: Sometimes, you may see an error message saying “The macOS installation couldn’t be completed” or “macOS could not be installed on your computer”. By stalled, we mean that macOS updates won’t download and install successfully. Some Mac users, unfortunately, have been and continue to be affected by various macOS software update issues where they may experience a stalled macOS update. More specifically, the focus of this article is on what you can do to when your Mac won’t update to the latest version of macOS. This article explains how you can fix the software update problem. As a result, IT Field Services will stop providing software support for all Mac computers running macOS Mojave 10.14 in late 2021.Facebook Tweet Pin Share Like LinkedIn Print With Apple's release of macOS Big Sur 11, macOS Mojave 10.14 will become the third oldest version and will cease to be supported at that time. Expect macOS Mojave 10.14 support to end in late 2021

If you have an ITFS-supported computer still running macOS 10.13 High Sierra, please visit this website ( MyAccess login required) for current available options on upgrading your Mac to macOS Mojave 10.14 or macOS Catalina 10.15: As a result, we are now phasing out software support for all Mac computers running macOS 10.13 High Sierra and will end support on December 1, 2020. Modern Authentication, a newer method of identity management that offers more secure user authentication and authorization, have ended support for Apple Mail on macOS High Sierra 10.13 and older versions. Furthermore, Microsoft has made the announcement of ending support for macOS High Sierra 10.13 on future updates to Microsoft Office 365 for macOS. In keeping with Apple's release cycle, Apple will stop releasing new security updates for macOS High Sierra 10.13 following its full release of macOS Big Sur.

Apple released macOS Big Sur 11 on November 12, 2020.

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