At a glance
Mount & Blade: Warband 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.
Mount & Blade: Warband came out on Steam on 31 March 2010, made by TaleWorlds Entertainment.
What your Mac needs
The Mac requirements list only Intel.
Minimum macOS in the Steam requirements: 10.11.
Steam requirements list at least 1 GB of memory for Mount & Blade: Warband.
Allow about 1 GB of disk space for the Mac version.
How to play
Open Steam for Mac and install Mount & Blade: Warband 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 Mount & Blade: Warband from there (0.1 GB). We have not tested it ourselves.
The Windows version through Uncork needs a Mac with Apple Silicon (M1 or newer).