Where do I add that I bought a house

You can include your home's mortgage interest and property taxes under Deductions and Credit.

You should have a Form 1098.

To post the 1098 you should follow these steps:

Under Federal

1. Select Deductions and Credits
2. Scroll to Mortgage Interest and Refinancing (Form 1098) - [Add/Edit]
3. Select the 1098 you want to post Add a new 1098
4. Follow the interview and post the details from your 1098.

This will be included as part of your Itemized deductions.  

For this to be a benefit, the total of Itemized deductions must be greater than the Standard deduction.

The standard deduction amounts for 2024 are:

• $29,200 – Married Filing Jointly or Qualifying Surviving Spouse
• $21,900 – Head of Household
• $14,600 – Single or Married Filing Separately

For 2024, the additional standard deduction amounts for taxpayers who are 65 and older or blind are:

• $1,950 for Single or Head of Household
• $1,550 for married taxpayers or Qualifying Surviving Spouse

There have been many changes to the Itemized deduction limitations.  Here are some of the limitations to Itemized deductions

• Medical expenses: You can only deduct the amount of your medical and dental expenses that is more than 7.5% of your AGI.
• Mortgage Interest:  You can deduct the interest you paid during the tax year on the first $750,000 of your mortgage debt for your primary home or a second home. If you are married filing separately, the limit drops to $375,000.
• Local Taxes: Your deduction of state and local income tax, general sales, and property taxes is limited to a combined total deduction of $10,000 ($5,000 if married filing separately).
• Business expenses for employees is no longer allowed.
• There may be other limitations that are not listed.
• Finally, the total of all deductions must be greater than the Standard deduction.

You can also see: How do I change from the standard deduction to itemized (or vice-versa)?