The CodeBot firmware upgrader is a Windows application. Simply download the file and run it as described below:
1. Download the upgrade program to your Windows computer.
2. Run the program.
3. Connect the CodeBot to your USB port.
4. Press and hold BTN-0 on the CodeBot.
5. Pres and release Reboot button on the CodeBot.
6. Release BTN-0.
7. Upgrade should start automatically... wait for it to complete.