You are too late to use online TurboTax, so you have a choice of using the purchased CD/download on a full PC or Mac, or using some other software to prepare your tax return.
Try the IRS site for the Free File software---but hurry, it will be closed down soon too.
Use this IRS site for other ways to file for free. There are 8 free software versions available from the IRS Free File site
https://apps.irs.gov/app/freeFile/
**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.**
