TurboTax has a 60-day unconditional moneyback guarantee on all desktop software products (CD/download).
If you have any trouble with the software, you can ask for assistance in this forum, and it would also qualify for free phone support.
NOTE: Although that product includes the state program to prepare state returns (of the same state), in the desktop software there is a 24.99 fee to efile a state return (except no fee for New York.) There is no fee to print and mail the state returns.
FAQ:
TurboTax Satisfaction Guaranteed Refund Policy
https://ttlc.intuit.com/questions/1901181-our-turbotax-satisfaction-guaranteed-refund-policy
You appear to be using a Mac to ask this question.
FAQ: Minimum system requirements for Mac:
https://ttlc.intuit.com/questions/1899173-minimum-system-requirements-for-turbotax-mac-software
