If I have my software already installed and bought the new licence code from Costco , when do I enter the code ? At the end ?

[TurboTaxGinette]

Whether you are using our TurboTax Online or CD/Download version, please follow the link below relating to your version of choice to receive the guidance you need.

In the online edition of TurboTax, how do I use a prepayment code?

Understanding your TurboTax product license code

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