You can use ANY of the DOWNLOADED programs since all the downloaded versions handle all the same tax forms... If you don't need to file a state return you can use the Basic version.
If you use the online program you must use the Premier version or better.
Don't confuse the ONLINE program with the DOWNLOADED/CD version ... they have different pricing structures and functionalities.
ONLINE
https://turbotax.intuit.com/personal-taxes/online/
CD/DOWNLOAD (This requires a full PC or Mac—-cannot be used on a mobile device)
You can purchase it from this site or try a number of other retailers like Amazon, Costco, Walmart, Target, etc.
https://turbotax.intuit.com/personal-taxes/cd-download/
You can also purchase the CD/download from various retailers such as Costco, Amazon, Walmart, Best Buy, Staples, Sam’s Club, etc. etc. etc.
This link Where can I obtain authentic TurboTax software? has a list of authorized TurboTax resellers.