Turbo Tax should print out a 1040V voucher to mail in with your check. It should have the address on it.
You can enter your bank account info for the IRS to pull it out of your bank. Or pick to mail a check and Turbo Tax will print a 1040V voucher to mail in with a check. Or say you will mail a check then pay online at
Https://www.irs.gov/payments
How to pay a federal tax due
https://ttlc.intuit.com/community/tax-payments/help/how-can-i-pay-my-federal-taxes/00/26212