You print the Payment Voucher, Form 1040-V, for federal taxes owed and mail the voucher and the check to the address on the voucher.
See - https://ttlc.intuit.com/turbotax-support/en-us/help-article/tax-forms/get-form-1040-v/L6lkQQDWV_US_en_US
https://ttlc.intuit.com/community/tax-payments/help/how-do-i-pay-my-irs-tax-due-with-a-check-or-money-order/00/26403
You must pay your state tax due using the state’s preferred method of receiving payment. For most states that will be by making a payment to the state’s own tax website, or by mailing a check or money order.
https://ttlc.intuit.com/questions/1900884-what-are-my-options-for-getting-my-state-refund-or-for-paying-any-state-taxes-i-owe
https://ttlc.intuit.com/questions/1901670-how-do-i-contact-my-state-department-of-revenue