There are a few ways:
(1) You can elect to have your taxes owed directly debited from your account (bank or charged to your cc) on your tax return that you file
(2) You can go online and pay your federal taxes owed by clicking here: https://www.irs.gov/payments and then go to your state's department of revenue website to pay your state taxes owed there
(3) You can wait until the IRS and/or your state send you a bill and mail a check in
(4) You can print payment vouchers, for federal visit here: https://www.irs.gov/pub/irs-pdf/f1040v.pdf and mail a check into the IRS. You can get your states payment voucher by visiting your state's department of revenue website.
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