I agree a good first step is to try to find a gender therapist. After that, it is really up to you. I wouldn't jump right into hormones, that's something not to be taken lightly. Be careful with binding if you decide to go that route, make sure you use a real binder and not ace bandages and limit the amount of time you bind. If you can wear a compression bra and layer clothing to make your chest appear more masculine that may be a better solution to start. Some men pack, others don't feel the need to. You can get a cheap packer like Mr Limpy and wear it in some well fitting boxer briefs or packing underwear and see how it feels.
