If you have not yet filed a 2017 tax return, you will need to purchase the 2017 software here, https://turbotax.intuit.com/personal-taxes/past-years-products/.
If you have filed your 2017 tax return, you will need to file an amended return to include the 1099.
I am including instructions below to file an amended return.
https://ttlc.intuit.com/replies/6603004