Applies to Launchpad Mini MK3
To set the Launchpad Mini MK3 up with Ableton Live 10 (10.1.5 or later), please connect your Launchpad and then open Ableton.
Then go to the Preferences (Options > Preferences on Windows, Ableton Live > Preferences on macOS) and go to the Link/MIDI tab:
Then select the Launchpad Mini MK3 Control Surface:
And then set the Launchpad Mini MK3 DAW Out and DAW In for the Input and Output ports:
Then have the MIDI port setup match the settings shown below: