Start guide
Pick your path
Start here, then open the guide matching your exact issue.
Intel Codex Guide
Trying to run Codex App on an Intel Mac?
Usually the real problem is one of these: the app is not meant for this machine, a launch error keeps showing up, or the desktop app is not the best path and you just need something that works.
Start with the situation you are in.
Recommended first step
Best for Apple Silicon Macs.
Intel quick path
Community workaround. Validate trust before installing.
Start guide
Start here, then open the guide matching your exact issue.
Apple Silicon
Use the default download path first.
Intel Mac
Treat launch errors as compatibility boundaries.
Start here
01
Apple Silicon users should install the official app first. Intel users should expect desktop compatibility limits.
02
Use the guide that matches your error message so you do not mix fixes from different issues.
03
If Intel desktop launch keeps failing, switch to Codex CLI or editor integration instead of reinstall loops.
Troubleshooting guides
Guide
Get a direct yes-or-no answer, then choose the safest install path for Intel Mac users.
Guide
Compare CLI, Cursor or VS Code workflows, source builds, and community app packages for older Intel Macs.
Guide
Understand what -10661 means on Intel Macs and what to do instead of retrying the same installer.
Guide
Identify architecture mismatch quickly and move to a workflow that actually works on Intel hardware.
Guide
Compare chip support, Rosetta myths, and recommended workflow choices for each Mac architecture.
Before another install attempt
Start with the card that matches your exact error message. That helps you avoid trying the wrong fix path.
If you are not seeing a specific error code, open the Apple Silicon vs Intel comparison guide first, then decide whether to keep trying desktop install or switch workflows.
FAQ
Treat Intel desktop usage as unsupported by default. Use this guide to choose a stable fallback path.
Because each issue has different symptoms and different next steps. Keeping them separate makes fixes faster and clearer.
Open the matching troubleshooting guide below so you get steps for that exact error.