The Form 1040-ES are for paying 2026 estimated taxes. You do not have to use those if you do not wish to do so. They are not reported to the IRS and would have to be mailed with a check to the IRS if you ever decided to use those forms.
If you have 2025 federal taxes owed go to this IRS payment website to make a payment - https://www.irs.gov/payments
