|Apple MacOS Demo Application || This is the latest Mac OS version of the popular OPN 2001 Companion Application.
Download this for the most recent version.
| | class="center" | EGFS0398
Mac OS X 10.15 Catalina
| class="center" | Download |- |Apple MacOS Demo Application || This is the previous Mac OS version of the popular OPN 2001 Companion Application.
Download this version if the latest version does not run on your Mac OS machine.
| | class = "center" | EGFS0397
Mac OS 10.14 Mojave
| class="center" | Download