If you are determined to run the legacy software on a modern Mac, this is the standard workflow:
However, throughout its development cycles under Delcam and its final years with Autodesk, the core engine was built strictly around the Windows architecture. When Autodesk officially discontinued the software on July 7, 2018, any possibility of an official Mac port disappeared forever. How to Run Legacy ArtCAM on macOS
Given ArtCAM’s discontinuation (last version: 2018), migration to native macOS software is advisable: