Buy and download the 2013 TT desktop software.
https://turbotax.intuit.com/personal-taxes/past-years-products/2013/
Or, pull the forms and instructions from the IRS and state tax websites, and do them by hand.
In either case, 2013 must be signed and filed by mail. The Statute of Limitations to file for a 2013 Federal refund is April 18, 2017. State may be different.