下载地址：
http://www.microsoft.com/downloads/details.aspx?FamilyID=2e575633-e357-4ee7-aaff-34138f00e830&DisplayLang=en
环境要求
- Supported Operating Systems: Longhorn (Windows Code Name) ; Windows Server 2003; Windows Vista; Windows XP
-
Other Software Required: This release requires .NET Framework 3.0 and a corresponding version of the Visual Studio Extensions for Windows Workflow Foundation.
- Minimum required to view lab manuals: Microsoft Word or Word Viewer