In order for you to play The Count Lucanor on macOS with minimal graphics settings, your computer must meet the following requirements
Operating System:
OS X Yosemite
Memory (RAM):
2 GB RAM
Graphics Card:
Integrated GPU supporting OpenGL2
Storage:
512 MB available space
In order to play The Count Lucanor on macOS with maximum graphics settings, you need a computer with a configuration no worse than the following
Operating System:
OS X El Capitan
Memory (RAM):
4 GB RAM
Graphics Card:
Dedicated GPU supporting OpenGL2
Storage:
512 MB available space