Dashboard Designer for SharePoint 2013 Installation Guide
Download setup file and run it on one of the servers in your SharePoint 2013 farm as Farm Administrator. Follow the wizard steps.
Navigate to the site collection where you've just installed the Dashboard Designer, open the Site Settings page, click the Site collection features link under the Site Collection Administration section:
Activate the Dashboard Designer feature:
Now, open any page where you want to add a chart, switch it into the edit mode and click the Plumsail Chart button on the ribbon to add a chart under the cursor or into the selected web part zone: