Demo version cannot save design files. Additionally, the program must be restarted after several "generate" operations.
(Demo version is authorized with a product key, which is a text string - no challenge/response nor dongle required)
CompatibilityThis software application is compatible with Windows (XP and later versions, 32- and 64-bit) computers (1 GHz or faster processor with at least 1 GB of system RAM recommended).
Compatible Windows and macOS software: Cubase, Logic Pro, Streamlabs OBS, ProTools, Ableton Live, Reaper, Presonus Studio One, FL Studio, Cakewalk, Nuendo, WaveLab, GarageBand, Vegas, SoundForge, Audition, Samplitude, Digital Performer, Mixcraft, Bitwig Studio, Edius, others.
If you cannot get plugin to work on macOS High Sierra, you have to logout from the system and login again, it's a known issue in High Sierra not caused by plugin's own bug.