Which version of the plug-in (VST, VST3, AAX, RTAS, Audio Unit) should I install?

You may need to use different plug-in formats depending on the host application your are using. See our software download help page for detailed explanations about how to choose the right plug-in format and platform.

In general, we recommend using VST over VST3 or Audio Unit on Mac (when both are supported), particularly for the plug-ins that can output automation or MIDI CC messages.