How do I get a credit if I iver charged by turbo tax

You would have to contact TurboTax support directly: https://ttlc.intuit.com/community/using-turbotax/help/how-do-i-contact-turbotax/00/26991

You can see what your fees were for at this link: https://ttlc.intuit.com/questions/2565973-how-do-i-review-my-fees-in-turbotax-online