In order for you to play The Bard's Tale IV: Director's Cut on macOS with minimal graphics settings, your computer must meet the following requirements
Operating System:
OS X (10.13)
Processor (CPU):
Intel Core i5 3.7Ghz or equivalent
Memory (RAM):
8 GB RAM
Graphics Card:
NVIDIA GeForce GTX 760 or Radeon HD 7970
Storage:
60 GB available space
In order to play The Bard's Tale IV: Director's Cut on macOS with maximum graphics settings, you need a computer with a configuration no worse than the following
Operating System:
OS X (10.13)
Processor (CPU):
Intel Core i7 3.8 GHz or equivalent
Memory (RAM):
8 GB RAM
Graphics Card:
NVIDIA GeForce GTX 1070 or Radeon Pro 580
Storage:
60 GB available space