OpenAI has launched a native Codex application for Windows, giving developers a dedicated AI coding companion that runs directly on the operating system. The app offers project management, skill integration, background automation, and support for multiple work trees, all built on PowerShell within a Windows sandbox. Developers can also switch the coding agent and terminal to Windows Subsystem for Linux (WSL) or use a WinUI skill from the skill gallery. The Codex app is available for download from the Microsoft Store or OpenAI’s website, and users can sign in with an existing ChatGPT subscription or an API key. Read more →