All Online versions and Desktop programs let you enter a 1099 INT. Did you buy the Desktop Deluxe? It shows you are in the Online version. Online and Desktop are completely separate and different.
Enter a 1099-Int under
Federal Taxes tab
Wages & Income
Interest and Dividends
Interest on 1099INT - Click the Start, Revisit Or Update button
Don't enter the bank or broker name and don't try to import it. It is just as fast and easy to manually enter it. At the bottom pick - Change How I enter my Form
Then on the next screen pick I'll Type it in Myself
