If you need an older version for compatibility:
Understanding License Models and Product Keys - Tableau Help tableau desktop download with product key
Without a valid product key, the application will revert to a 14-day trial mode and then lock essential features like saving workbooks or exporting data. If you need an older version for compatibility:
: Log into the Tableau Customer Portal and navigate to the "Licenses" or "My Keys" section. tableau desktop download with product key