You enter the area where you put in 1099-Int income...and when it shows all the various financial forms you already have entered, you scroll to the bottom and click on the text to Add More....then you can select the 1099-INT form and continue on form there.
Yes, very convoluted this year.
...and we ALL hope & Pray they fix those foolish changes by returning to the former entry procedure before next year.
____________*Answers are correct to the best of my knowledge when posted, but should not be considered to be legal or official tax advice.*