dotnet framework4的直链下载地址

http://download.microsoft.com/download/5/6/4/5641DA81-E6FA-4550-9F80-A1D862D9CFAA/dotNetFx40_Full_x86.exe
http://download.microsoft.com/download/9/5/A/95A9616B-7A37-4AF6-BC36-D6EA96C8DAAE/dotNetFx40_Full_x86_x64.exe

FROM
http://www.microsoft.com/zh-cn/download/details.aspx?id=17718