To enter mortgage interest without a 1098:
1. Go to Deductions & Credits.
3. Select I'll choose what I work on.
5. Click Start or Update by Mortgage Interest, Refinancing, and Insurance.
6. Type your Lender Name when you get to that screen.
7. Check I did not receive a 1098.
7. Enter your info on Qualified Amount.
8. Continue through till you get back to the Deductions & Credits menu.