I purchased 2019 CD from Costco last year, but never used it. I unsealed it and installed with the code. NP. I want to do 2020 taxes w/ TurboTax. Side note, I was able to upload '18 but not '19 tax pdf completed from another vendor. I want to do 2020 with TurboTax. How, if possible can I change a paid for but not used 2019 version for 2020 to use?
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