You can follow the steps in this article to enter your IP Pin: https://ttlc.intuit.com/questions/3714584-where-do-you-enter-the-pin-number
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Your PIN number which is used to identify you and can be obtained from the IRS website will be asked in the final filing steps.
If you have an Identity Protection PIN (IP PIN), this needs to be entered in a separate spot.
To enter an IP PIN, please follow
the instructions below.
1. Click on Federal Taxes
(Personal, if using Home & Business)
2. Click on Other Tax Situations
3. Click on Start/Edit/Update
next to Identity Protection PIN under Other Return Info category
4. Indicate that yes, you
received an IP PIN
5. Enter in your IP PIN as issued by
the IRS"
