Tactical preparation is the most important training you can obtain to improve your game. Until you are a rated master, you should study tactics more than any other part of the game.
Tactical ability is the most significant difference between the beginner and the advanced player.
Analyze games scores with other players higher rated than you. Study the games of the great masters. Their accuracy is legendary. You will see chess at the state of the tactical art. Play against computer opponents set to a slightly higher skill level than you.