You will need to speak to someone in TurboTax Support about changing your TurboTax Online to the desktop software. I am attaching a TurboTax FAQ with contact details for TurboTax Support.
I'm also attaching a TurboTax FAQ with the steps to switch from TurboTax Online to the desktop software.
TurboTax Contact Details:
https://ttlc.intuit.com/replies/3300041
TurboTax FAQ with the steps to switch from Online to Desktop software:
https://ttlc.intuit.com/replies/3302260