How do I get on a payment plan for federal and what are the penalties or interest

[KatrinaB]

You can set up an installment agreement in the TurboTax program or online by following the directions in the TurboTax FAQ below.

https://ttlc.intuit.com/replies/4678634

Interest and penalty charges will accrue until the amount you owe is paid in full. The amount of penalty and interest will vary depending on the terms of your installment agreement. Learn more about IRS penalties and interest. 

Please visit the IRS link below for more detailed information about installment plans.

https://www.irs.gov/payments/payment-plans-installment-agreements