Simple means different things to different people. Because of the major tax form changes in 2018 due to the new tax law, different things can be entered on the new form 1040 than could be entered last year on the simple 1040EZ or 1040A forms. If you require one of the 6 new schedules 1-6 to enter something on your tax return, you must upgrade to Deluxe.
Here is what the Free Edition can and can't do: https://ttlc.intuit.com/questions/1913043-is-turbotax-free-edition-right-for-me
You qualify if you had $34,000 or less AGI or $66,000 or less military family AGI or qualify for EITC. Click on See if you qualify then Yes (if you do) then Start Now button, then choose Create an Account.