: macOS versions from 10.15 (Catalina) and newer dropped support for many legacy NI hardware components (like MASCHINE MK1 or AUDIO 8 DJ).
To ensure your system remains stable and secure, it is always recommended to use official installers provided by Native Instruments. They offer a Legacy Installers page for older hardware and software. : macOS versions from 10
If you’re interested in Komplete 8 for legitimate purposes: : macOS versions from 10