Get your taxes done using TurboTax

Use "W-4" as the search term in the Search Box of TurboTax. That will take you to the W-4 and Estimated Taxes interview under "Other Tax Situations"

See the following screenshots for aid in navigating to the interview. If you do not want to change withholdings, select "No" when you come to the second screen (Do you want to change your W-4 withholdings for 2021?)