To see screenshots, view knowledge document here- http://www.ca.com/us/support/ca-support-online/product-content/knowledgebase-articles/tec1123134.aspx
This document will explain how to delete existing licenses in Agile Requirements Designer (ARD). Deleting old license entries using the steps in this document is often helpful while troubleshooting licensing issues with ARD. Once deleted, these licenses should no longer appear in CodeMeter Control Center or the WebAdmin.
How do I delete old, expired, or unused licenses from Agile Requirements Designer?
CA Agile Requirements Designer (ARD)- all product release versions