PowerPivot for SharePoint 2013 Configuration is missing prerequisites: An unsupported SharePoint version was detected. SharePoint ...

PowerPivot for SharePoint 2013 Configuration is missing prerequisites:
An unsupported SharePoint version was detected. SharePoint 2013 Enterprise Edition is required. Either start the PowerPivot Configuration Tool for SharePoint 2013 or retry on a computer with SharePoint 2013 installed. For more information, go to http://go.microsoft.com/fwlink/?LinkId=397945.