Use the Search & Preview License Manager to view details about your installed license files, select the active license, delete licenses and upload new ones. To open the license manager:
1. Open the SharePoint Central Administration site.
2. Click on the Operations tab.
3. On the Operations page, select Manage Search & Preview licenses under the Search & Preview for SharePoint heading.
4. The Search & Preview License Manager opens.
Figure: The Search & Preview License Manager
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