Here's both the personal updates and Business. And they have all the years listed on them.
If your program says it's up to date or you can't update it then do the Manual Update. This has also fixed the State forms not available problem for some users.
https://ttlc.intuit.com/community/updating/help/manually-update-turbotax-for-windows-software-basic-...
How to manually update Turbo Tax Business program….
https://ttlc.intuit.com/community/updating/help/manually-update-turbotax-business-software/00/25794
