If you didn't get the 16 digit License Code......after you paid did you go to the Costco customer service pickup window to get the full package with the License Code? Or did you buy it from Costco Online? I have steps for that.
Where to find the License Code
https://ttlc.intuit.com/community/tax-topics/help/i-can-t-find-my-license-code/01/852973
How to get started with the Desktop program, install and activate it
https://ttlc.intuit.com/turbotax-support/en-us/help-article/product-delivery/download-software-turbo...
