What Mac operating systems are supported in GFI LanGuard? Author: Luis Fernandes November 30, 2018 04:26 AnswerGFI LanGuard supports the following Mac OS X versions for patch management: 10.5 (Leopard)10.6 (Snow Leopard)10.7 (Lion)10.8 (Mountain Lion)10.9 (Mavericks)10.10 (Yosemite)10.13 (High Sierra) You can also refer to the product manual for supported operating systems:System Requirements Related articles What are the requirements to scan and patch Mac OS X computers? Error: 'Mac OS X tool 'softwareupdate' failed and returned 'softwareupdate: Must be run as root (102)' when scanning a Mac computer What are the requirements to scan and patch Linux computers with GFI LanGuard? Why does GFI LanGuard fail to install the agent on a remote computer? What are the required settings to scan a machine and successfully install missing patches using GFI LanGuard?