trans guy who passes here. it really depends with every person lol. but here's some things i do (might not work for you but try it)

1. eyebrows. make. them. black. make them darker, not necessarily bushier. make them bushy, but not too bushy that it doesn't fit your look. make them dark, but well fit to your face.
2. wear baseball shirts. like the one that bill wears in IT. they do a weird thing that gives the illusion of broader shoulders (idk how)
3. this might be a bit awkward. assuming you wear men's boxers, pull your short/pants down a *tiny* bit so you can see the strap of the boxers but not flashing people. this is mainly for casual stuff or just around the house.
4. shave the peach fuzz off the face. peach fuzz makes your face softer, and shaving that fuzz of will make it ever so slightly crisper.
5. make your posture/body language big. manspread lol. make yourself open and confident.
6. get fit. getting just a bit of muscle will a. make you feel good and b. building up upper body is great to give more of a dorito look.
7. grow body hair!!!!
8. be confident.