1. If you see red smoke, run.
2. If there isn't a blue arrow above the Mech, shoot it.
3. If you are getting hit by missiles, find a shield (a rock, a building, your ally, etc.)
4. Standing still and shooting (a.k.a turreting) doesn't work if the enemy knows where you are.
5. If the enemy is shooting at you, move to make it hard for them to shoot.
6. If you/your ally has missiles, use the "R" button to lock on the enemy.
7. Use T to all chat. You can use this to say bad things at people.
8. Use Y to team chat. You can discuss strategies or tell your teammates they suck.
9. Alt+F4 is the magical button when things aren't working,
10. Aim for the biggest part of a Mech (the center/side torsi).
11. This will earn you

12. Always never split off from your team.
13. If you can't aim, use lazers.
Following these magic steps gives you a basis to grow on and get better with.
If any of these steps confuse you, feel free to contact me. Dull-witted questions will receive dangerously caustic sarcasm.