There are no extensions to pay tax due. An extension only gives you extra time to prepare your return but estimated tax has to be paid by the April 15 deadline. It is too late to request an extension to give you more time to file. Prepare your return and get it filed as soon as you can. Pay an amount you can manage and try to set up a payment plan.
If you owe tax due, you have to pay it yourself by the filing deadline on April 15, 2024.
If you have federal tax due you can pay by mailing your payment with the 1040V voucher, (which has the address printed on it, having the payment taken out of a designated bank account, or you can pay directly on the IRS website.
https://ttlc.intuit.com/community/tax-payments/help/how-can-i-pay-my-federal-taxes/00/26212
To apply for a payment plan with the IRS
Apply Online for a Payment Plan
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/1901670-how-do-i-contact-my-state-department-of-revenue
You can not get an extension on a payment.
You can set up an installment payment plan with the IRS.
When you get to the File section in TurboTax, you will be asked how you want to pay your taxes due. You can select set up an installment plan with the IRS. Answer the questions as prompted and your installment plan request will be submitted when you file your return.
How to set up an payment plan within TurboTax
If you do not want to do it through TurboTax, you can do it online through the IRS. See the link below for more information on how to do this.
Options to set up a payment plan
IRS site to apply for installment plan or change an existing plan
Here are a couple FAQs: