Please reach out here for any issues that can't be resolved by reading the FAQ and manual.
Which DAWs are officially supported?
Open Keys is tested and supported in Ableton Live, Logic Pro, Bitwig Studio, and Reaper.
Where are my presets saved?
Presets and states are saved within your DAW project file. You can also save and load complete 48-preset banks using the Open File and Save File options in the top OPEN KEYS menu.