Hi,
In
order to switch to a lower version of TurboTax, you would need to use the
"Clear and Start over" feature.
Here is an FAQ on
this: https://ttlc.intuit.com/questions/1894467-can-i-switch-to-a-lower-priced-version-of-turbotax-online
Instructions:
https://ttlc.intuit.com/replies/4248526