Buy Tableau Desktop directly from Tableau or an authorized reseller. After purchase, your product key appears in your . This key is perpetual (one-time payment) or subscription-based (renewed annually).

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| Error Message | Likely Cause | Solution | | :--- | :--- | :--- | | "Product key is invalid" | Typo or fraudulent key | Copy/paste exactly from the Customer Portal. Check for 0 vs O . | | "Key not entitled for this version" | Version mismatch | Download an older version of Tableau Desktop (available in the portal under "Archived releases"). | | "Unable to connect to licensing server" | Firewall or proxy | Configure Tableau to use your proxy under File > Help > Settings and Performance. | | "Key has exceeded its activation limit" | Too many installs | Deactivate an old device via the Customer Portal or contact Tableau Support. |

Launch your active Tableau Desktop application. Navigate to the top menu bar and click on . Step 2: Manage Product Keys

Once verified, a unique, authentic product key is emailed directly to you. 3. Commercial Subscriptions via Salesforce Customer Portal