TurboTax Free Edition (and TurboTax Live Basic) are intended for taxpayers with very simple returns that can fit on the new 1040 form without any schedules.
If we detect that your tax situation requires expanded coverage, like deductions for owning a home or self-employment income, we'll prompt you to upgrade to a version that supports the forms you need so we can maximize your tax deductions and ensure you file an accurate return.
Depending on what your tax situation was last year, you might need to use new tax forms to claim the same deductions, credits, or forms of income. Some of the situations that are now in TurboTax Deluxe and TurboTax Live Deluxe, instead of in Free Edition, include:
Go here for more info on which forms are included in TurboTax Free Edition.
Related Information:
There are 2 free versions. In the regular Turbo Tax Free Edition, information that you can enter is limited now. Why do I have to upgrade from the Free Edition?
https://ttlc.intuit.com/community/upgrading/help/why-do-i-have-to-upgrade-from-free-edition/00/26379
To go back to a lower version or the Free Edition you can try to clear and start over https://ttlc.intuit.com/community/using-turbotax/help/how-do-i-clear-and-start-over-in-turbotax-online/00/26444
OR There is also The Turbo Tax Free File program which is free for federal and state. And has more forms than the Federal Free Edition, like Schedules A, B, C , D, E, F, EIC, H, K-1, SE, etc.
To qualify for the Free File website you just need to meet one of these 3 things
AGI $36,000 or less
Active duty military with AGI of $69,000 or less
OR qualify for EIC (earned income credit.)
In order to use the Free File program, you have to start it at a special website. Try signing in at the top right
https://freefile.intuit.com/