I filled out and printed my 2015 taxes. However I have never submitted them so I did not pay for them. Instructions do not lead me to a place to pay.

[SamC]

You will need to use the 2015 software to file your 2015 tax returns.  Here is the link to the 2015 line of software

https://turbotax.intuit.com/personal-taxes/past-years-products/2015/