Are you sure you bought a code for Online and not the Desktop program? Where did you buy it?
How to use the Online License Code. It is for federal only. State is additional.
https://ttlc.intuit.com/turbotax-support/en-us/help-article/register-activate-services/como-empiezo-...
How to contact Turbo Tax
https://ttlc.intuit.com/community/using-turbotax/help/how-do-i-contact-turbotax/00/26991
