I need help changing my head lights.?

ok.....so i bought the hella%26#039;s head lights for my 2004 dodge stratus...but i cant get the old one on the passenger side out to put the new one in. I have tried to take the linse out and i am scared i am going to break....any good suggestions on a website to tell me how to do this????|||you will break the lens i hate to say this but go in from the back of the lens assembly and see the old bulbs are twist the lockin collar to the right or left then once loose unplug it install new ones