After you file


@jtsims0425 wrote:

ok thank you. do I still need to go to the website? or just send my check in? 


You only need the payment voucher, Form 1040-V, and mail the voucher and your check to the IRS.  If you selected to pay the taxes owed by check then the TurboTax program would have provided the Form 1040-V in the printout of your tax return.

 

IRS Form 1040-V, Payment Voucher - https://www.irs.gov/pub/irs-pdf/f1040v.pdf