In order for you to play Terrian Saga: KR-17 on macOS with minimal graphics settings, your computer must meet the following requirements
Operating System:
10.6.3, 10.9
Processor (CPU):
2.5ghz processor
Memory (RAM):
4 GB RAM
Graphics Card:
OpenGL 2.0 compatible graphics card, 258 MB video memory
Storage:
3000 MB available space