In order for you to play Harmony's Odyssey on macOS with minimal graphics settings, your computer must meet the following requirements
Operating System:
Requires a 64-bit processor
Processor (CPU):
MacOS X 10.10.5 or above
Memory (RAM):
4 GB RAM
Graphics Card:
2GB VRAM
Storage:
4 GB available space
Sound Card:
Any stereo integrated card
In order to play Harmony's Odyssey on macOS with maximum graphics settings, you need a computer with a configuration no worse than the following
Operating System:
Requires a 64-bit processor
Processor (CPU):
MacOS X 10.10.5 or above
Memory (RAM):
8 GB RAM
Graphics Card:
4GB VRAM
Storage:
4 GB available space
Sound Card:
Any stereo integrated card