After the Arduino IDE is installed, you need to install the CoDrone library. Open the IDE then go:
Sketch-> Include Library-> Manage Libraries
then a 2nd window will pop up and in the search bar type CoDrone. and you should see something similar to my pic:0_1572878700420_Screenshot from 2019-11-04 09-38-56.png
install that and you shoudl be able to start coding... also make sure your IDE is setup to talk to the BLE controller and have the CoDrone hardware type selected:
Tools-> Port: mine is either /dev/ttyUSB0 (or ttyUSB1)
CoDrone HW:File-> Preferences: in the "additional Board Managers" copy/paste: https://raw.githubusercontent.com/RobolinkInc/Robolink/master/package_rokit_index.json Tools->Boards: should now list RoKit-SmartINventro-mega32_v1 and v2. Select the V2.
Once both steps are done you should see the bottom right hand corner of your screen looking like this pic: 0_1572879039430_Screenshot from 2019-11-04 09-36-54.png
Hope that helps