If your system does not meet these requirements, you will not see an available upgrade package. 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. MacOS 10.13 High Sierra - End of Life Support Ending JanuUpdated 11/18/20
