^ ^ Get the latest "AppMan" ^ ^ 

High Sierra

10.10.5

10.11.6

macOS 10.13.6

10.7.5

Lower versions of OS X and Avid Media Composer still work great (and often better). Click on these links below:

High Sierra

10.13.6

Win 10 Pro

10.12.6

10.8.5

Other MC versions:

Do not upgrade your computer to an OS that is newer than your Avid Media Composer is qualified for.

10.9.5