motivate the importance of that particular download
Tell them what it is, then you tell them that it is good for kids (if you are a kid) and you tell them how. If that does not convince them yet, tell them what good it will do and how.
You probably won't be able to convince your parents to let you buy explicit music. You can have them listen to the music first and have them approve the songs they think are least objectionable.
It depends on what that something is. Parents may object to it because they think it is not safe, expensive, or you are too young. Let them know how you will be responsible on your part.
If you can't convince your parents to let you play that, then find something else to do.
tell them they will love them even if they tell them they can't have something
Prove that you have something to say rather than complaining or arguing with them.
Try talking them into it by saying " it has something to do with school"
Download trial and make a beautiful Christmas card for them.
You cant convince your parent's because they have a good IQ your parents not be tricked by anyone.
First of all: why would you want to sleep in the basement? Do you hate yourself or something!?
Just say you will do something in return like shovle the driveway or do the dishes