You can apply for the card when you go through the section to File your return, on the screen that asks how you want your refund, you can choose to have it on a TurboTax Debit Card.

How to get your tax refund on a Turbo® Visa® Debit Card

https://ttlc.intuit.com/community/refunds/help/how-to-get-your-tax-refund-on-a-turbo-prepaid-visa-ca...