Did you buy the code for the Desktop program or for the Online version? I think they are also selling codes for Online in the store this year too.
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...
You can download your desktop purchase here if you have the License Code
https://turbotax.intuit.com/personal-taxes/cd-download/install-turbotax
