Please follow the instructions below: 

1. Login to your TurboTax Account 
2. Click "Take Me To My Return"
3. Click "Federal" from the left side of your screen
4. Click “Deductions &Credits” on the top
5. Scroll down to “Retirement and Investments” and click “Show more”
6. Scroll down to “Traditional and Roth IRA Contributions” and click “Start”
7. TurboTax will walk you through the questions