You should have a Form 1099-R for the distribution and you will enter this in TurboTax:
- Click on "Search" on the top right and type “1099-R”
- Click on “Jump to 1099-R”
- Enter Form 1099-R information and click continue
- On the "Do any of these situations apply to you?" screen select "I inherited this IRA"
- Continue through the questions