IssueTableau Desktop error when activating a product key:
No License found for 'TableauDesktop'
If a legacy Tableau Prep key is being used (the key begins with "TP"), check the Tableau Customer Portal or talk to the Tableau Administrator at your company to determine if a new "TC" key is available for use. TP keys are being replaced with Tableau Creator keys (start with "TC") which allow use of both Tableau Desktop and Tableau Prep Builder.
Keys starting with "TS" are to be activated on Tableau Server only.
For more information, see: