You can remove the Refund Processing Services and change your payment method before filing by using the instructions below:
https://ttlc.intuit.com/replies/5007885
After you've done that, if you just want to upgrade your version of TurboTax online, see the instructions below. Keep in mind that you'll need to select to upgrade AND make payment for a minimum of the PLUS feature to gain access to your prior years' returns.
https://ttlc.intuit.com/replies/3335307
*** I am NOT a tax expert. I am a seasoned TurboTax user, and volunteer to provide assistance to TT users. Nothing I post is to be considered TAX ADVICE; I bear no legal liability for responses.***