Make up rookie

Hey ladies I'm a teenager n new here but I have a situation that so bothers me I don't know how to use make up I see my frens use it n they look amazing but da truth is I can't even begin to buy products muchless use it not funny but into profile pic I used eyeliner on my eye for da first time n dat was about 2 years ago plus it was only on one eye lol I need u pretty ladies help plz zzz