Follow the steps to fill out IRS Publication 936 online.

1. Click 'Get Form' button to obtain the form and access it in the online editor.
2. Begin with the introduction section of the form, which outlines general rules for deducting home mortgage interest. Read through the guidelines to understand what qualifies.
3. Proceed to Part I, where you will fill in details about your home mortgage interest secured debt. Ensure you have all necessary documentation, such as Form 1098, at hand.
4. In the qualified home section, specify your main home and any second homes that qualify. Make sure to identify if you have only one main home listed.
5. Complete the special situations section, detailing points and mortgage insurance premiums as applicable to your situation.
6. Move to Part II to check limits on deductions. Here, utilize the worksheet to calculate your qualified loan limit and the deductible amount of home mortgage interest.
7. Once all sections are completed, review your entries for accuracy and consistency, ensuring that totals align with your records.
8. Save your changes. You can now download the completed form, print it for your records, or share it as necessary.

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