After you file

If you want to do 2015 for free you can get the blank forms from the IRS and filll them out by hand.  Here are some blank forms & instructions for 2015
1040 <a rel="nofollow" target="_blank" href="https://www.irs.gov/pub/irs-prior/f1040--2015.pdf">https://www.irs.gov/pub/irs-prior/f1040--2015.pdf... <a rel="nofollow" target="_blank" href="https://www.irs.gov/pub/irs-prior/i1040gi--2015.pdf">https://www.irs.gov/pub/irs-prior/i1040gi--2015...>

1040A <a rel="nofollow" target="_blank" href="https://www.irs.gov/pub/irs-prior/f1040a--2015.pdf">https://www.irs.gov/pub/irs-prior/f1040a--2015.p... <a rel="nofollow" target="_blank" href="https://www.irs.gov/pub/irs-prior/i1040a--2015.pdf">https://www.irs.gov/pub/irs-prior/i1040a--2015.p...>

1040EZ <a rel="nofollow" target="_blank" href="https://www.irs.gov/pub/irs-prior/f1040ez--2015.pdf">https://www.irs.gov/pub/irs-prior/f1040ez--2015... <a rel="nofollow" target="_blank" href="https://www.irs.gov/pub/irs-prior/i1040ez--2015.pdf">https://www.irs.gov/pub/irs-prior/i1040ez--2015...>

2015 Tax Tables <a rel="nofollow" target="_blank" href="https://www.irs.gov/pub/irs-prior/i1040tt--2015.pdf">https://www.irs.gov/pub/irs-prior/i1040tt--2015...>
Publication 17 Tax Guide for 2015 <a rel="nofollow" target="_blank" href="https://www.irs.gov/pub/irs-prior/p17--2015.pdf">https://www.irs.gov/pub/irs-prior/p17--2015.pdf</a>

THEN FOR 2016:
You can still use your Online account to do this year's 2016 return but you will need to clear out your entries and start over for 2016.  Or abandon this online account and start a new one.
<a rel="nofollow" target="_blank" href="https://ttlc.intuit.com/questions/2586254-using-clear-start-over-in-turbotax-online">https://ttlc.in...>