Hi @Nyna ,
Thank you for joining us today! And congrats on the new baby! To complete the W-4, you should review the personal information first. This would include selecting your filing status. You state that you will file as married filing joint. As stated on the W-4, if you are the higher earner it will be more accurate for you to complete steps 3 and 4. In step 3 you are able to claim the child as dependent. Please note that only one parent should list the child on their W-4.
I recommend using the W-4 Calculator to get the most accurate withholding. The more financial information you are able to enter the more accurate the calculator will be.
Thank you!
Melanie, CPA