.Net Frameworks 3.5 和 .Net Frameworks 3.5 SP1完整版下载

在线安装：

http://www.microsoft.com/downloads/details.aspx?displaylang=zh-cn&FamilyID=333325fd-ae52-4e35-b531-508d977d32a6
http://www.microsoft.com/downloads/details.aspx?displaylang=zh-cn&FamilyID=ab99342f-5d1a-413d-8319-81da479ab0d7

完整包：http://download.microsoft.com/download/6/0/f/60fc5854-3cb8-4892-b6db-bd4f42510f28/dotnetfx35.exe

SP1：http://download.microsoft.com/download/2/0/e/20e90413-712f-438c-988e-fdaa79a8ac3d/dotnetfx35.exe