It's not so difficult, make sure you have your documents together and organised. After checking in your bags you are given boarding passes which will have on them the flight time, the gate you will go to to board the plane, and the flight number which will be displayed on the information boards telling you to wait or proceed to gate or now boarding. For the transfer flight make sure you go to the correct terminal, and look for the flight number and gate number. If your booked with 1 airline to a onward destination they normally transfer your bags for the connecting flight. Listen when checking in and read the information on your tickets and you should be fine.
