go to federal or sate website and sign up to pay directly. for IRS direct pay
https://www.irs.gov/payments
other option is to print out payment vouchers from return and mail them in. state and federal have different filing address and follow TT fling instructions so needed info is included on checkface. failure to do so can result in the payment not being applied to what you owe. use a methos where you get proff of delivery