Goku is a legend (and one of the strongest fighters in anime history). If you want to reach his level, read these tips. Goku is not just a warrior physically.
Steps

Step 1. Give good punches and kicks
Practice 100 punches/kicks a day. Don't rush if you still can't throw all 100 punches. Start with small steps and eventually increase the number of punches that get you there. It can be any kind of punch/kick as long as you progress. Make sure you execute the moves correctly. If you don't have a punching bag, punch the air. When your punches are good enough, put Velcro weights on your wrist or hold dumbbells, but be careful as you can hurt your joints. Remember to make slow movements.

Step 2. Work hard until you can:
100 push-ups, sit-ups, squats, barbells, etc. Give your muscles a rest for 1-3 days. Try to create a routine and make the right moves. Never use ankle weights when kicking.

Step 3. Practice planting banana until you can walk on your hands for at least 10 minutes

Step 4. Increase your jump size
You can either practice plyometrics or jump on a chair. Just strengthen your blast power.

Step 5. Practice with a friend, but remember to wear gloves and protective gear
Give it your all, but fight it out safely.

Step 6. Increase your agility
Practice as many mortals as possible and learn to make landing rolls.

Step 7. Run as fast as you can.
Find a space with 200 meters and complete the course in the shortest time possible. Doing this with correct posture is important.

Step 8. Learn to block, grab, dodge and hold
Practice submission with your friends or rubber dolls. Look for a Martial Arts teacher, books or on the internet for help.

Step 9. stretch out 5-7 days a week for 10 minutes until you can fully open your legs.
Do dynamic stretches before working out and static stretches after working out to relax your body.

Step 10. Practice Parkour or Gymnastics to get the hang of intense, fast movements, and learn to trust your body's movements
Parkour can be practiced virtually anywhere.

Step 11. In a fight always look for the quickest and simplest way to defeat the opponent

Step 12. Fight an imaginary opponent or a heavy bag to increase your speed and hand-eye coordination
Make your own combination of hits and don't overtrain, as our bodies aren't as strong as Goku's.
Tips
- This must be applied in a daily training routine.
- For inspiration, watch Bruce Lee movies and Dragon Ball Z fights.
- Give your best.
- Remember to stretch before and after working out.
- Exercise to the max, but stick to the routine so you don't get sore.
- Practice free running and speed.
- Tell your friends about your goal so that everyone is motivated to do physical activity during the day.
- Check exercise sites to find fitness programs.
- Join a martial arts class when you get the chance.
- Let your muscles rest for at least a few days until the pain subsides.