http://developers.de/blogs/damir_dobric/archive/2012/07/31/installing-workflow-1-0-beta-with-workflow-host.aspxFirst of all download all components from http://www.microsoft.com/en-us/download/details.aspx?id=30369 To install the Service Bus run workflow.3f.3f.3fnew.exe . Another possibility would be to use Web Platform installer. After start of installation setupenCommunityServer 2008 SP1 (Build: 30619.63)