You can’t download TurboTax Online as it runs on our servers only, and you can’t use the codes for Online in TurboTax CD/Download. If you have accidentally bought Online instead of Download, you’ll need to get a refund for the Online product. Then you can buy Download product that you need.
The FAQ tells you how to request a refund: https://turbotax.community.intuit.ca/community/after-you-file-questions/help/how-do-i-get-a-refund-f...
You can get TurboTax CD/Download 2019 here: https://turbotax.intuit.ca/personal-tax-software/download-tax-software.jsp
