Download the McAfee Endpoint Security version for unmanaged use and for your operating system: macOS.Download McAfee from the UO Software Download Center:.Running any two virus protection programs will result in the two of them fighting over resources, making the computer slower and potentially making the computer crash while running typical applications. How do I install McAfee Endpoint Security on a macOS computer? Solutionīe sure that you DO NOT have any other active antivirus program running on your computer before installing McAfee Endpoint Security.