You might still need to pay to finish it and print it.
Online preparation and e-filing for 2017 is permanently closed. You have to download 2017 software to a full PC or Mac (not to a mobile device) and then print, sign and mail your return.
If you already paid for your TurboTax software, you can contact customer support to push a download of the software to you.
To call TurboTax customer support
https://ttlc.intuit.com/questions/1899263-what-is-the-turbotax-phone-number
They are available from 5 a.m. to 5 p.m. Pacific time.