In order for you to play The Darkness II on macOS with minimal graphics settings, your computer must meet the following requirements
Operating System:
Mac OS X Snow Leopard 10.6.8 or higher
Processor (CPU):
Intel Core 2 Duo processor
Memory (RAM):
2 GB RAM
Hard Disk Space:
10 GB free
Video Memory:
256MB
Video Card:
AMD HD2600 / Nvidia 9600GT with at least 256 MB VRAM
Additional:
Initial installation requires one-time internet connection for Steam authentication; software installations required (included with the game) include Steam Client for Mac OS X.
In order to play The Darkness II on macOS with maximum graphics settings, you need a computer with a configuration no worse than the following
Operating System:
Mac OS X Lion 10.7.3 or higher
Processor (CPU):
Intel Core i Series processor
Memory (RAM):
4 GB RAM or higher
Hard Disk Space:
10 GB free
Video Memory:
512+ MB
Video Card:
AMD HD4870 with at least 512 MB VRAM