Arcade is a plugin you can use inside a DAW and also a standalone application, which can be opened like any other application on your computer.
Arcade requires an internet connection to get started.
Since DAWs provide the ability to record/edit MIDI and audio, it should be noted that standalone functionality is limited by comparison.
You can find the standalone app in the following directories:
- macOS: /System Drive/Applications/Arcade
- WIN: C://Program Files/Output/Arcade