At a glance
Pathfinder: Kingmaker — Enhanced Plus Edition has a Mac version: Steam sells it for macOS. The Mac requirements list only Intel: on Apple Silicon Rosetta 2 runs it, and old Mac versions sometimes do not start on current macOS. Try it in Steam for Mac first.
Pathfinder: Kingmaker — Enhanced Plus Edition came out on Steam on 25 September 2018, made by Owlcat Games.
What your Mac needs
The Mac requirements list only Intel.
Steam requirements list at least 4 GB of memory for Pathfinder: Kingmaker — Enhanced Plus Edition; 8 GB recommended.
Allow about 30 GB of disk space for the Mac version.
How to play
Open Steam for Mac and install Pathfinder: Kingmaker — Enhanced Plus Edition as usual.
If the Mac version will not start, you can install the Windows version through Uncork: download Uncork, sign in to Steam and install Pathfinder: Kingmaker — Enhanced Plus Edition from there (30 GB). We have not tested it ourselves.
The Windows version through Uncork needs a Mac with Apple Silicon (M1 or newer).