Just unboxed a Logitech G203 I bought a while back on sale. I installed OpenRGB and it works out of the box. Just fyi for anyone else who has one. And thanks to whoever did the port of OpenRGB. I never could get OpenRGB to work on my previous os. 
https://openrgb.org/
https://www.logitechg.com/en-us/products/gaming-mice/g203-lightsync-rgb-gaming-mouse.html
https://openrgb.org/
https://www.logitechg.com/en-us/products/gaming-mice/g203-lightsync-rgb-gaming-mouse.html