For security of the computer and the University of Michigan, LSA Mac computers need to be updated to 10.15 (Catalina), 11.0 (Big Sur), or 12.0 (Monterey). Keeping operating systems and software up to date is a shared security responsibility that all faculty, researchers, staff, and students using U-M computers are responsible to comply with per the U-M Information Security SPG 601.27 and Responsibilities & Expectations for Self-Managing U-M Devices.
Please note that 32-bit applications no longer run on any supported macOS version. Updating should only be done after confirming there are no 32-bit applications critical to your work. See the list of incompatible applications. If continued use of a 32-bit application is essential to your work, please immediately contact the LSA Technology Services support team.