The TurboTax online Free edition is only for very simple tax returns that do not require any other form other than the Form 1040. If your tax data requires anything other than the Form 1040 then you will need to upgrade to the Deluxe edition or higher which are not free.
See this TurboTax website for the online edition which also include prices - https://turbotax.intuit.com/personal-taxes/online/
