If you are eligible for EIC it is added automatically to line 27 of your Form 1040.
https://www.irs.gov/credits-deductions/individuals/earned-income-tax-credit/use-the-eitc-assistant
https://www.irs.gov/pub/irs-pdf/p596.pdf
Look at your 2024 Form 1040 to see the child-related credits you received
PREVIEW 1040
Child Tax Credit line 19
Credit for Other Dependents line 19
Earned Income Credit line 27
Additional Child Tax Credit line 28
You can look in the Deductions and Credits Section, then You and Your Family, then Earned Income Credit (EIC) to go over your earned income credit (EIC) entries. If you are due an EIC, it will appear on line 27 of your Form 1040.
To view your form 1040 and schedule 1 to 3: