官方地址:

http://www.microsoft.com/visualstudio/en-us/download

点击相应的Trial下载链接进入下载页面

不同版本下载：

Microsoft Visual Studio 2010 Premium - ISO

http://www.microsoft.com/downloads/details.aspx?FamilyID=f81412a2-d48e-4040-9b32-27eaf771c5db&displaylang=en 

Microsoft Visual Studio 2010 Ultimate - ISO

http://www.microsoft.com/downloads/details.aspx?displaylang=en&FamilyID=06a32b1c-80e9-41df-ba0c-79d56cb823f7 

Microsoft Visual Studio Team Foundation Server 2010 - ISO

 http://www.microsoft.com/downloads/details.aspx?displaylang=en&FamilyID=8bb22356-7dfb-4999-9d76-43abddcf6eec

马上下载使用吧。