http://www.microsoft.com/downloads/details.aspx?familyid=DA807F29-03D6-4A28-97B1-65A20E0677E4&displaylang=en
直接下载地址:
http://download.microsoft.com/download/8/0/1/801ff297-aea6-46b9-8e11-810df5df1032/Microsoft%20.NET%20Pet%20Shop%204.0.msi