Join the weight loss challenge: https://briansyuki.com/

Would you like to lose weight fast without going through the agony of dieting or extreme workouts? You only need to spare 1 hour a day for this workout.
It's excellent for losing weight fast and gaining muscle mass. But you need to do a bit of strength training for fast muscle gain.
Do it at least thrice a week then do strength or HIIT workouts on the other sessions.
Enjoy the HIIT walking workout at home to lose 20kgs.