To enter it manually:
Federal Return > Wages and income > "I'll choose what I want to work on" (button) > Scroll down to "Interest on 1099-INT" and click the "Start' or "Continue" button on that line.
Follow the instructions in the conversation.
**Say "Thanks" by clicking the thumb icon in a post
If your financial institution is not listed you will have to manually enter your 1099-INT
Here's how to enter a 1099-INT: Pay particular attention to step 5 the second bulleted line.
This TurboTax link https://Where do I enter Form 1099-INT? has information you may find useful.