Support articles specific to the macOS operating system.
How to use the Self-Service app.
macOS 26 Tahoe is the latest major version of macOS, released on September 15, 2025. General availability of the upgrade depends on compatibility with core MHC applications and services. New consumer features may not be available on MHC-owned devices.
Upgrading to a new version of macOS helps keep your computer secure and your information private. Read on for several ways to accomplish upgrades.
Even after the LITS-managed 90 day upgrade deferral is over, a user can still keep their computer updated on the current major version.
Apple releases an upgrade to macOS yearly in the Fall. Learn how LITS plans for and supports these changes.
Understand the macOS update process for MHC-owned Apple computers and how Nudge helps us keep computers secure.
Simple steps to take to fix stuck macOS updates
How to resolve "This name is already in use on the network" in Sequoia by setting the network to a Fixed address.