¡One of the first steps is trying!
I really hope to see your progress in this, I used to be really, really fat. And with exercise, some running and not so healthy food I managed to change! I'll start posting diets, healthy meals and several types of exercise that helped me loosing some weight and gaining confidence with them Ladysss. You might want to check them out. I hope you know that you can actually find good support out here; this community is great.