Sorry, no. Paying for the TurboTax desktop software cannot be used as a payment for one of the the TurboTax online editions. They desktop and online editions are separate programs with different price points.
If you purchased the software from TurboTax you can get a refund.
Use this TurboTax website to request a refund - https://accounts.intuit.com/app/oirr
Use this TurboTax website to look up a charge - https://accounts.intuit.com/app/oicl