I'm sorry, but once you've e-filed your return, you can't change the level of TurboTax you used to file. If you owed taxes when you filed, you'd have been required to pay before filing your return. So you've already paid for the Deluxe program.
Sorry I can't offer better news.
*** 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.***