Free
Edition is for simple filers that file a 1040EZ (or a 1040A with a standard deduction), and
is free as long as you don't select any add-ons or upgrades.
https://ttlc.intuit.com/replies/3334660
Also, I have included information on another TurboTax product, Freedom Edition. Please see the following for qualifications:
https://ttlc.intuit.com/replies/3301359