Here are a few general rules (some exceptions apply) for avoiding typical Mistakes from beginners:
1. Control the center.
2. Do a blunder check before making a move.
3. Try not to move the same piece twice in the opening.
4. Try not to get your queen out too early.
5. Avoid isolated/doubled/backward pawns.
6. The best defender of a pawn is another pawn.
7. Learn a simple opening repertoire.
8. Don’t forget to castle before starting an attack.
9. Try to avoid pushing the pawns in front of your castled king.
10. Avoid pushing the f pawn until you’ve gained some experience.