First of all you read the rules you already agreed to and make sure you're in the clear when it comes to legality. The rest is explained in the FAQ.
Depending on how old you are, you also need your parents permission, I think.
Edit: Oh, and linking to NG from your bandcamp account will help to prove your identity if you ever get an automatic copyright-strike from yourself. ;)
Yatsufusa
First of all you read the rules you already agreed to and make sure you're in the clear when it comes to legality. The rest is explained in the FAQ.
Depending on how old you are, you also need your parents permission, I think.
Edit: Oh, and linking to NG from your bandcamp account will help to prove your identity if you ever get an automatic copyright-strike from yourself. ;)