No models work for me help!!!

[Azndragon]

Ok I imported it correctly .... I extracted it to some folder I made and deleted to .zip file.. When I import it, its ok.. When I change the model file it changes to MDL by itself and then when i test it theres nothing there and u cant click it.... Before when it was MDX it worked... help me


*** SORRY IF THERE WAS A SUPPORT SECTION, I OBVIOUSLY MISSED IT ***

HELP ME PLEASE!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!1