If you qualified for earned income credit and/or child tax credit the credits were added automatically to your Form 1040 when you entered your qualifying child and your W-2 or self-employment income.
Look at your 2023 Form 1040 to see the child-related credits you received
PREVIEW 1040
https://ttlc.intuit.com/questions/1901539-how-do-i-preview-my-turbotax-online-return-before-filing
Child Tax Credit line 19
Credit for Other Dependents line 19
Earned Income Credit line 27
Additional Child Tax Credit line 28
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