Download and install the Codex app Download the Codex app for macOS or Windows. Choose the Intel build if you’re using an Intel-based Mac.

Download and update the Codex app Download the Codex app from the Microsoft Store. Then follow the quickstart to get started. To update the app, open the Microsoft Store, …

Use the Codex app to work with your local projects. Move supported instruction files, MCP server configuration, skills, and subagents into Codex.

Depending on the surface and your setup, Codex can run on Windows in three practical ways: natively on Windows with the stronger elevated sandbox, natively on Windows …

In the Codex app and IDE, you choose a mode from the permissions selector under the composer or chat input. That selector lets you rely on Codex’s default permissions, …

If the Windows app or project picker does not show your WSL repository, type <code>\\wsl$</code> into the file picker or Explorer, then navigate to your distro's home …

Codex uses short-lived, least-privilege GitHub App installation tokens for each operation and respects the user’s existing GitHub repository permissions and branch protection …

Local environments let you configure setup steps for worktrees as well as common actions for a project. You configure your local environments through the Codex app settings …

The Codex CLI is available on macOS, Windows, and Linux. On Windows, run Codex natively in PowerShell with the Windows sandbox, or use WSL2 when you need a Linux …

Codex pets are optional animated companions for the app. In Settings, go to Appearance and choose Pets to select a built-in pet or refresh custom pets from your local Codex …

Codex app-server is the interface Codex uses to power rich clients (for example, the Codex VS Code extension). Use it when you want a deep integration inside your own …