Search "RGB keymap" here to download the JSON file if VIA does not automatically recognize
keymap of the K4 Pro:
https://www.keychron.com/blogs/archived/k4-pro-factory-reset-and-firmware-flash
VIA Software for macOS, Windows, Linux: https://usevia.app/#/
How to Use VIA on Your Keychron K Pro Series Keyboard:
https://www.keychron.com/blogs/archived/how-to-use-via-to-program-your-keyboard
K4 Pro Source Code, please search "source code" on the product page on our official website.
