At a glance
STAR WARS Knights of the Old Republic 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.
STAR WARS Knights of the Old Republic came out on Steam on 5 September 2009, made by BioWare.
Mac version by Aspyr.
What your Mac needs
The Mac requirements list only Intel.
Minimum macOS in the Steam requirements: 10.11.6.
Steam requirements list at least 0.512 GB of memory for STAR WARS Knights of the Old Republic.
Allow about 5 GB of disk space for the Mac version.
How to play
Open Steam for Mac and install STAR WARS Knights of the Old Republic 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 STAR WARS Knights of the Old Republic from there (3.5 GB). We have not tested it ourselves.
The Windows version through Uncork needs a Mac with Apple Silicon (M1 or newer).
STAR WARS Knights of the Old Republic uses DirectX 9.0b: Uncork renders it with its built-in graphics.