Will this damage my knee?

My knee popped out of place and my parents won't take me to the doctor. I can walk barely but I get around to where I need to be. It hurts to straighten it all the way or bend it all the way. It feels a lot better when I'm laying down in my bed but hurts any other time. I don't have a brace. When my knee popped out and back in I heard it cracking and popping. I have been trying to walk normally and trying to bend my knees though and it hurts. Will that damaged my knee and what should I do?
Will this damage my knee?
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