10.12.6

10.8.5

High Sierra

See the list of all recent versions of Media Composer:

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

10.10.5

17.11

10.11.6

10.9.5

10.13.1

Application Manager

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

10.13.1

10 Pro