Do you mean you need to download software to prepare a 2016 return---or do you mean you prepared a 2016 return and need a copy of it?
I need a copy. Its saying I have to pay first, but I'm doing my taxes elsewhere this year, just need a copy. thx!
https://ttlc.intuit.com/questions/3355524-when-does-access-to-my-prior-year-turbotax-online-returns-expire