>>4009347Read up about the exposure triangle, on framing your subjects and focusing.
But the very first thing you should do is go out and use it as much as possible (just in auto mode for starters) and have some fun with your new camera anon, You can play with framing (composing) and focussing and learn that and worry about the 'pro mode' as you start getting a clearer picture on how you want your composures to be exactly.