OpenAI’s Codex coding app is now available on Windows, a month after its Mac debut

OpenAI has released its standalone Codex app for Windows, bringing the same multi-agent coding experience that Mac users have had since early February. The company says the Mac version has already crossed one million downloads since launch—and with nearly half of all developers using Windows professionally, according to a 2025 Stack Overflow survey, the timing makes sense.

Codex on Windows goes native instead of leaning on WSL