When you purchased the TurboTax software you would have received a license code.
Go to this TurboTax website to download the software you purchased using the license code - https://turbotax.intuit.com/personal-taxes/cd-download/install-turbotax/
See this TurboTax support FAQ when installing the desktop editions with a license code - https://ttlc.intuit.com/turbotax-support/en-us/help-article/license-information/install-turbotax-cd-...
