After you file

Did you get back into your return?  Say to print all the worksheets.  There should be an instruction cover sheet saying how to pay it.

 

Or How to contact Turbo Tax
https://ttlc.intuit.com/community/using-turbotax/help/how-do-i-contact-turbotax/00/26991

What is the Turbo Tax phone number
https://ttlc.intuit.com/community/using-turbotax/help/what-is-the-turbotax-phone-number/00/25632