There are several ways to pay your federal taxes. Watch this video, then head over to https://www.irs.gov/payments for more information.
If you have taxable income from any payer that doesn't withhold tax for you, check to see if you need to make estimated tax payments. https://www.irs.gov/payasyougo
Be sure to file your tax return on time and pay what you owe. This will help you avoid penalties and interest. Learn more at www.irs.gov/penalties
Wondering where your federal tax refund is? Check out the Where’s My Refund tool at https://www.irs.gov/refund.