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OS HIGH SIERRA SOFTWARE
As a result, SCSCF will stop providing software support for all computers running macOS 10.14 Mojave in late 2021. With Apple's release of macOS 11 Big Sur in late 2020, Mojave will be the third oldest version and will cease to be supported at that time.
OS HIGH SIERRA UPGRADE
Please Note: If you choose not to upgrade your High Sierra computer, it will not receive security patches or functionality updates, and our ability to troubleshoot issues will be limited as of February 1, 2021.
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Request an upgrade performed by SCSCF Technicians If you would like to request an upgrade performed by our technicians, or do not see the macOS Catalina installation package in Self Service, please submit an upgrade request.Please Note: ESET Endpoint Security package must be installed before launching the Catalina installation package in Self Service. If your system does not meet these requirements, you will not see an available upgrade package.
OS HIGH SIERRA INSTALL
Upgrade via Self Service If your computer meets the hardware requirements, a macOS 10.15 Catalina installation package will be available through Self Service on your SCS-supported Mac. Many Mac users who are attempting to download macOS High Sierra from the Mac App Store will find that a small 19 MB version of Install macOS High Sierra.app downloads to the /Applications folder of the target Mac, rather than the complete 5.2 GB Installer application for macOS High Sierra.To ensure our ability to continue to support your computer after January 31, 2021, please select one of the options listed below: To monitor our testing progress visit our macOS Big Sur support status page. Upgrading prematurely may result in potential issues. Please Note: At this time, we do not recommend installing Big Sur in either preview or final form until our testing is complete. 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. In keeping with Apple's release cycle, we anticipate macOS 10.13 High Sierra will no longer receive security updates starting in January 2021. On November 12, 2020, Apple released macOS 11, Big Sur. Open that app from your Applications folder to begin installing the operating system.MacOS 10.13 High Sierra - End of Life Support Ending JanuUpdated 11/18/20
OS HIGH SIERRA PC
Safari downloads the following older installers as a disk image named InstallOS.dmg or InstallMacOSX.dmg. Install macOS High Sierra on PC with Hackintosh macOS High Sierra Installer which doesnt need access to a mac to create a bootable Installer You can create bootable USB from Windows, Linux or Mac.
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After you download the installer from the App Store, the installer opens automatically. Safari uses these links to find the old installers in the App Store.