To install the correct version of the Apogee software, you need to know what version of Apple’s OSX operating system is running on your computer.
To see what version of OSX you are using, click the apple icon in the upper-left corner of your display, then click “About This Mac”:
This window that appears will tell you what version of OSX you are running. In this case, Version 10.8.5
You can tell what year your computer was released as well as some additional information by clicking the “More Info…” button. In this case, my computer is a mid-2011 iMac:
Use this information to determine what version of the Apogee software you need to download and install so your Apogee interface works properly.