Check your credit card statement to see if you paid for it. If you bought it you should have an email with the License Code. 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...
You can download your desktop purchase here if you have the License Code
https://turbotax.intuit.com/personal-taxes/cd-download/install-turbotax
