In order for you to play Car Mechanic Simulator 2015 on macOS with minimal graphics settings, your computer must meet the following requirements
Operating System:
Mac OS X 10.7
Processor (CPU):
1.8 GHz Intel Core i5
Memory (RAM):
4 GB RAM
Graphics Card:
Intel HD Graphics 2024 MB
Storage:
8 GB available space
In order to play Car Mechanic Simulator 2015 on macOS with maximum graphics settings, you need a computer with a configuration no worse than the following
Operating System:
Mac OS X 10.10
Processor (CPU):
3.5GHz Intel Core i5
Memory (RAM):
8 GB RAM
Graphics Card:
AMD Radeon R9 M290X 2048 MB
Storage:
8 GB available space