Adding to @dmertz's response, you'll need to purchase the software for TurboTax 2017, download and install it on your computer....if you haven't done so already.
Here's a link to the TT website where you can purchase the software.
https://turbotax.intuit.com/personal-taxes/past-years-products/
*** I am NOT a tax expert. I am a seasoned TurboTax user, and volunteer to provide assistance to TT users. Nothing I post is to be considered TAX ADVICE; I bear no legal liability for responses.***
