Gate number is also on the Boarding Pass. All gates are on lower level. You might have lot of time. There are places to sit. There are lots of shops also, just to look at.
X-say their hand baggage.
Then you have to wait in a hall till they make announcement for Boarding. Your keep you boarding pass ready and enter the plane. Air hostess may help you locate your seat, if not ask them. There will blankets for each of you in your seat. If it is not there, ask the air-hostess for one.