In Choregraphe - Choose the Connection > Connect to menu. The Connection widget is displayed. - Select your Robot, then click the Connect to button.
If you cannot manage to connect to your robot using the list, you can connect directly to its IP address and its port: - Select the checkbox Use fixed port, then fill in the field with its port (9559 by default). - Select the checkbox Use fixed IP/hostname, then fill in the field with the IP Address (that you can get by pressing once on the Chest button of your robot). - Click the "Connect to" button.
For further details, go to: Connection Management