The OpenEdge Explorer will work with OpenEdge 10.1C03, 10.2A01 and later, as well as OpenEdge 10.2B and OpenEdge 11.
Please see solution: Announcing the availability of OpenEdge Management 10.2A and OpenEdge Explorer 10.2A.for additional information.
The below link leads to a webinar which introduces OpenEdge Explorer and also includes a demonstration which demonstrates how to get started with the OpenEdge Explorer product.
WEBINAR: Introduction to the 10.2A OpenEdge Explorer & 10.2A OpenEdge Management:
https://community.progress.com/community_groups/openedge_general/w/openedgegeneral/1224.webinar-introduction-to-the-10-2a-openedge-explorer-10-2a-openedge-management.aspx