You cannot install TurboTax Online version on multiple computers however you can open it an any device to continue and complete your return.
The codes for TurboTax Online will not work with TurboTax Desktop & vice-versa. If you bought the wrong version, you can get a refund and then buy the one you need.
If you bought TurboTax Software from a 3rd party retailer (ex: Costco, Staples, Walmart), please use this form to get a refund
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