In order for you to play Agatha Christie - The ABC Murders on macOS with minimal graphics settings, your computer must meet the following requirements
Operating System:
MAC OS 10.6.8(Snow Leopard) or newer
Processor (CPU):
Intel quad-core processor running at 3.1 GHz
Memory (RAM):
4096 MB RAM
Graphics Card:
Intel integrated or mobile graphic card, with at least 768MB of dedicated or shared VRAM and with at least Shader Model 5.0 support
Sound Card:
Integrated
In order to play Agatha Christie - The ABC Murders on macOS with maximum graphics settings, you need a computer with a configuration no worse than the following
Operating System:
MAC OS X 10.7.5(Lion), 10.8.5(Mountain Lion), 10.9.5(Mavericks) and 10.10.2(Yosemite)
Processor (CPU):
Intel quad-core processor running at 3.1 GHz
Memory (RAM):
4096 MB RAM
Graphics Card:
AMD/NVIDIA Dedicated graphics card with at least 512MB of dedicated VRAM and with at least Shader Model 5.0 support
Sound Card:
Integrated