Step 1: understanding games you want to play is more important than a fast trigger finger. Follow series of rules, which tell you how to play the game, reading them carefully and get to know its meanings.
If you want to play well, I suggest you to aim high, then you can achieve high.
Step 2: Stay calm. If you are scare in game, you will fail quickly. A good way to learn skills is to play the old classic, Tetris.
Step 3: communication. When you play with your team or with your friends, you really should learn how to communicate with them efficiently.
Step 4: Practice. Practice is the process of discover and testing something. The more you practice, the better you will become.
