In order for you to play Dear Esther: Landmark Edition on macOS with minimal graphics settings, your computer must meet the following requirements
Operating System:
10.7.5 - 10.12.1
Processor (CPU):
Intel Core 2 Duo (2 * 2260) or equivalent
Memory (RAM):
2 GB RAM
Graphics Card:
NVIDIA GeForce 9400 (256 MB)
Storage:
2 GB available space
In order to play Dear Esther: Landmark Edition on macOS with maximum graphics settings, you need a computer with a configuration no worse than the following
Operating System:
10.7.5 - 10.12.1
Processor (CPU):
Intel i5-3470S (4 * 2900) or equivalent
Memory (RAM):
4 GB RAM
Graphics Card:
NVIDIA GeForce GT 750M (1024 MB), Intel HD Graphics 4000 (1024 MB)
Storage:
2 GB available space