HOW CAN I GET A MALE MODEL BODY ASAP?

HELLO , I AM A 19 YEAR OLD MALE, WEIGH ABOUT 138 POUNDS AND I AM SLIM AND I AM TRYING TO GET A MALE MODEL BODY ASAP, MEANING NICE ABS AND SOME MUSCLES /LEAN BODY. I NEED TO GET INTO SHAPE ASAP POSSIBLE FOR MODELING. I HAVE SOME BELLY FAT AND NEED TO MAKE THAT INTO NICE ABS, AND I HAVE SKINNY ARMS NEED TO GET THAT INTO MUSCLES.