This driver will allow you to connect your DDJ to a computer.
Please read the Manual for the installation procedure.
If you’re using macOS Catalina or later, use AUDIO DRIVER FOR MACOS ver. 4.X.X.
Unzip the downloaded file "DDJ800M***dmg.zip". This file will appear: DDJ-800 M ***.dmg
Open source notice (APSL) :
This software includes open source software codes licensed under Apple Public Source License, Version 2.0 ("APSL"). The machine readable copy of the corresponding source code is available here.