At a glance
Deus Ex: Mankind Divided 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.
Deus Ex: Mankind Divided came out on Steam on 23 August 2016, made by Eidos Montreal.
Mac version by Feral Interactive.
What your Mac needs
The Mac requirements list only Intel.
Minimum macOS in the Steam requirements: 10.13.1.
Steam requirements list at least 8 GB of memory for Deus Ex: Mankind Divided.
Allow about 67 GB of disk space for the Mac version.
How to play
Open Steam for Mac and install Deus Ex: Mankind Divided 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 Deus Ex: Mankind Divided from there (45 GB). We have not tested it ourselves.
The Windows version through Uncork needs a Mac with Apple Silicon (M1 or newer).