How did you open it? Costco only sells the Desktop download program. I buy mine from Costco. Are you using these steps?
How to install and Activate the Desktop Download program with a License Code
How to install TurboTax CD/Download software with license code
How do I find the License Code?
https://ttlc.intuit.com/community/tax-topics/help/i-can-t-find-my-license-code/01/852973
