What Turbo Tax do we need, we're already retired and not working

The online product matrix appears at the link below. You can most likely use Deluxe for your purposes.

https://turbotax.intuit.com/personal-taxes/online

Start with Deluxe.  Online Deluxe will do any Social Security, pension and IRA etc. on a 1099R.  If you sell any investments you need to upgrade to Premier.  If you buy the CD/Download Desktop program Deluxe will do everything.  

Or—-Use this IRS site for other ways to file for free ... your AGI just needs to be $73K or less.

https://apps.irs.gov/app/freeFile/