for desktop the current year and three prior years are supported.
here's a link to 2021 through 2023
https://turbotax.intuit.com/personal-taxes/past-years-products/2021/
this page will also take you using the link to 2022 and 2023
there is no basic version. only deluxe at $80 a pop 1 state included even if you don't need it.
check system requirements for each year
