The BPM.NET for Visual Studio 2013 is a Visual Studio
extension to Windows Workflow 4.0+. The purpose of the tool is to deliver the
capability of Business Process Management on the .net platform by leveraging
the power of windows workflow. This product can be used to work with BPM.NET Designer
tool to cover the life cycle of business process authoring.
The BPM.NET for Visual Studio 2013 is fully built on top of Windows
Workflow 4 and compatible with all the features provided by Standard Windows
Workflow and Visual Studio such as Source Control, Debugging, Tracking
Participants, WCF and Workflow Sql Instance Store, etc.
(if there is a problem when dropping the Process activity to the workflow designer, this could be possibly caused by the upgrade/downgrade of BPM.NET extension. Please try to do a toolbox reset by right clicking on the toolbox in visual studio)