Codex CLI is installed but failed to run. 'codex' is not recognized as an internal or external command, operable program or batch file.

<img width="985" height="139" alt="Image" src="https://github.com/user-attachments/assets/aa24f4bb-24d3-4adb-b2fa-aefde1c1c11a" />

Im a total noob and i have no idea how to fix this