Gather your tax information, including your estimated income, deductions, credits, and prior-year tax return
Determine the amount of estimated tax you need to pay
Go to the IRS website and use IRS Direct Pay, EFTPS, or your state tax agency’s online payment system
Select the payment type for estimated taxes
Enter your personal information and tax details
Choose the tax year and payment period
Enter the payment amount
Select your bank account or payment method
Review the information carefully
Submit the payment
Save the confirmation number or receipt
Repeat the process for each required estimated tax payment due date