where do I enter information from 1098 form

This is how you enter form 1098:

1. In TurboTax Online, open your return
2. Click on Search (magnifying glass icon) at the top right of your screen
3. In the Search box, enter form 1098 and click Enter
4. In the search result box, click on Jump to form 1098
5. TurboTax will take you directly to the section where you can start entering your form 1098.

Form 1098 is issued for mortgage interest paid.

If you meant something else, you should so indicate.

Form 1098-E is issued for student loan interest paid.

Form 1098-T is issued for tuition and fees paid and/or scholarships received.