Download the Arduino IDE, you can find those instructions here.
The Arduino IDE is a programming environment that let's you code for lots of different things. You need to set it up to work with Jewelbots, so follow the steps to add the Jewelbots boards.
Upload a sample sketch to make sure everything is working! You can find one here.
Share what you build! Head over to our community site to see what other people have made/show off your coding skills!