After you file

Do you need to prepare a 2013 return or print one out you started?

You can't do a prior year return online or efile it, but you can buy the Desktop Download versions for 2013-2015 from Turbo Tax here. Be sure to pick the right one, Windows or Mac....
http://turbotax.intuit.com/personal-taxes/past-years-products.jsp

Or you can check for  Turbo Tax for all years on Ebay or Amazon, etc.

Or fill out the forms for free.  Here are some blank forms & instructions for 2013
1040 http://www.irs.gov/pub/irs-prior/f1040--2013.pdf   Instructions http://www.irs.gov/pub/irs-prior/i1040--2013.pdf

1040A http://www.irs.gov/pub/irs-prior/f1040a--2013.pdf  Instructions http://www.irs.gov/pub/irs-prior/i1040a--2013.pdf

1040EZ http://www.irs.gov/pub/irs-prior/f1040ez--2013.pdf   Instructions http://www.irs.gov/pub/irs-prior/i1040ez--2013.pdf

2013 Tax Tables  http://www.irs.gov/pub/irs-prior/i1040tt--2013.pdf
Publication 17 Tax Guide for 2013 http://www.irs.gov/pub/irs-prior/p17--2013.pdf