https://ttlc.intuit.com/questions/1901289-how-do-i-download-the-software-i-purchased-at-turbotax-com
After you download the software, install updates. To start a return, go to File, New Tax Return.
This desktop software must be downloaded to a full PC or Mac, not a mobile device.
When you are finished preparing your 2017 return, it has to be printed, signed and mailed. It cannot be e-filed.
When you mail a tax return, you need to attach any documents showing tax withheld, such as your W-2’s or any 1099’s. Use a mailing service that will track it, such as UPS or certified mail so you will know the IRS and/or your state received the return.
**Disclaimer: Every effort has been made to offer the most correct information possible. The poster disclaims any legal responsibility for the accuracy of the information that is contained in this post.**