In order for you to play Whispers of a Machine on macOS with minimal graphics settings, your computer must meet the following requirements
Operating System:
OSX 10.9 Mavericks
Processor (CPU):
300 MHz Processor
Memory (RAM):
1 GB RAM
Graphics Card:
NVIDIA GeForce 9400M, GeForce 9600M GT, GeForce 8600M GT, GeForce GT 120, GeForce GT 130, GeForce GTX 285, GeForce 8800 GT, GeForce 8800 GS, Quadro FX 4800, Quadro FX5600 ATI Radeon 4850, Radeon 4870
Storage:
800 MB available space
In order to play Whispers of a Machine on macOS with maximum graphics settings, you need a computer with a configuration no worse than the following
Operating System:
OSX 10.9 Mavericks
Processor (CPU):
1 GHz or faster x64 processor
Memory (RAM):
2 GB RAM
Graphics Card:
NVIDIA GeForce 9400M, GeForce 9600M GT, GeForce 8600M GT, GeForce GT 120, GeForce GT 130, GeForce GTX 285, GeForce 8800 GT, GeForce 8800 GS, Quadro FX 4800, Quadro FX5600 ATI Radeon 4850, Radeon 4870
Storage:
800 MB available space