At a glance
Portal runs on Apple Silicon Macs, according to a player report: M4 Pro, 19 October 2026, rated 5 out of 5.
Portal came out on Steam on 10 October 2007, made by Valve.
Will Portal run on a Mac?
Players ran Portal on Apple Silicon Macs through the same kind of compatibility layer Uncork uses:
| Date | Mac | macOS | Rating | Played |
|---|---|---|---|---|
| 19 Oct 2026 | M4 Pro | 26.5.2 | 5 / 5 | 45 min |
What your Mac needs
You need a Mac with Apple Silicon (M1 or newer): Uncork does not run on Intel Macs.
Steam requirements list at least 0.512 GB of memory for Portal.
Any Apple Silicon Mac has enough memory for the listed minimum.
Portal uses DirectX 8.1: Uncork renders it with its built-in graphics.
Portal uses DirectX 9: Uncork renders it with its built-in graphics.
How to launch with Uncork
- Download Uncork — it’s free.
- On first launch, Uncork installs everything it needs and Steam — about ten minutes.
- Sign in to Steam with your password or a QR code from the Steam app on your phone.
- Find Portal in your library and install it.
- Launch it with the “Play” button in Uncork.
If Portal won’t start or crashes, message us on Telegram at @uncorkwin and we’ll look into it together.
What we have not tested
We haven’t run Portal ourselves, so we don’t know the frame rate on your Mac and how controllers will work.