Created your Instagram Account with Facebook? And Don’t Know Your Instagram Username and Password?

Follow these steps:

1. Go here to edit your Instagram profile (login with Facebook if you have to): https://www.instagram.com/accounts/edit/
2. Enter an email address & a username if those fields are empty
3. Log out of Instagram
4. Go here to reset your password and enter your email: https://www.instagram.com/accounts/password/reset/
5. Open your email and press the link in the email you should have received from Instagram
6. Set a new password
7. Go to Preview and use your username & password to login