copy the downloaded folder to your ableton live's midi remote scripts folder. located in C:\ProgramData\Ableton\Live 9 Suite\Resources\MIDI Remote Scripts under windows or\Live x.x\Live.app\Contents\App-Resources\MIDI Remote Scripts\ for mac osx.

launch ableton live and go to preferences. under midi sync tab select the script in the control surface drop down list and set the correct input and output MIDI ports.

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