Unable to Connect DFRduino UNO R3 (Windows)

Hello,

I am doing the set-up steps, but when connecting my DFRduino UNO R3 via USB to my computer, I keep getting the error that no board can be found. However, the ON light is working and there's a flashing green light.

Are you using Arduino IoT Cloud? The Uno is not compatible with Arduino IoT Cloud.

ok it's not compatible!!!
But what do we do to get it started???