Did you buy the download from Turbo Tax or somewhere else?
How to download Turbo Tax
https://ttlc.intuit.com/community/installing/help/how-do-i-download-the-software-i-purchased-at-turb...
Find the License Code if you downloaded from Turbo Tax or the Advantage plan
https://ttlc.intuit.com/community/tax-topics/help/i-can-t-find-my-license-code/01/855904
