Sorry for repurposing content, but this one is easy to miss so I think it is worth it
“The Client Profile Configuration Designer is the designer for the .NET Framework Client Profile. It will allow developers to customize the end-user deployment experience. The customizations allowed using the Client Profile Configuration Designer are:
The Client Profile Designer was released as part of the WPF Futures release of the WPF Toolkit:
http://windowsclient.net/wpf/wpf35/wpf-35sp1-client-profile-config-overview.aspx
http://windowsclient.net/wpf/wpf35/wpf-35sp1-client-profile-config-part1.aspx
http://windowsclient.net/wpf/wpf35/wpf-35sp1-client-profile-config-part2.aspx
http://windowsclient.net/wpf/wpf35/wpf-35sp1-client-profile-config-part3.aspx
http://windowsclient.net/wpf/wpf35/wpf-35sp1-client-profile-config-part4.aspx
-Marc