For users still running an earlier major macOS version like Mojave or High Sierra, the Software Update pane in System Preferences typically displays a prominent upgrade button for Catalina and a.Logic Pro X 10.0.6 - OS X 10.8.4 - Mac Pro 8-Core 2.66 Ghz - 32 GB RAM - Motu 828 mkii - M-Audio Axiom Pro 61 I also have VE Pro Server running on both host and slave machines USB MIDI controllers: Remote Zero SL (without Automap) - Korg Nano Kontrol - Kong Nano Pad - Evolution UC-16.