Before you try to , verify your setup. Traktor Pro 2 mainly supports 64-bit architecture, which means it will not run on macOS Catalina (10.15) or newer unless modified.

was designed for older macOS versions. If you are using a modern Mac (macOS 10.15 Catalina or newer, including M1/M2/M3 chips), you should download , as the older version may not run correctly. Technical Notes for Mac Users

Follow the on-screen prompts. You may need to enter your Mac's administrator password.