i dont understand fightschool i dont even know how to punch or kick

This.

You could also tell us what you want to improve on, e.g smoothness, power, stlye, etc.

i try to do stuff but i cant limb taroff,normal punch,kick,and others for some reason

limp? you mean relax play? well its not at all different from hold all play. imo its better because it forces you to use all the joints and that is what you probably arent doing. use all the joints.

He means be cant tear off limbs as easily as he figured. well, this game requires a lot of patience and practice which means if you want to get better i suggest spending a decent amount of time in SP. browse through the mods, it will help you out once you get used to your joint movement.