Switch boxing stances. Changing which foot is in front helps the boxer become more versatile and able to switch tactics when required.
Find a good gym with experienced boxing coaches. Your number one priority when boxing has to be safety.
Work constantly on cardiovascular training. Running, cycling and skipping are great ways for boxers to build endurance and improve footwork.
Gain power by hitting the heavy boxing bags. The main purpose of the heavy bag is to develop power in your punches. Power in punching comes from understanding that the punch is not just coming from your arm or shoulder but from your whole body.