For 2016, you can use the TurboTax Online website (or our CD/Download product) and when you e-file, you will indicate that you did not file last year and use zero as your prior year adjusted gross income.
https://turbotax.intuit.com/personal-taxes/past-years-products/
You can purchase our prior year TurboTax Desktop (CD/Download product) version in order to prepare your 2015 return. This cannot be e-filed and will need to be printed, signed and mailed. Please go to the link below to purchase.