" in instagram. Once you do that, it will prompt you to give your email. After giving your email, they will send your username and password to your email. read more
If you register your Instagram account through an email ID, you can request a change to your password and then delete it from there. If you have connected Instagram through Facebook, you can delete it from there. read more
If you'd like to delete a different account, click the username in the top-right of the Delete Your Account page, tap/click on next to username and select Log Out. Log back in as the account you want to delete and follow the directions above. read more