WIN201R2安装.NET4.6方法:

首先安装微软升级包
https://www.microsoft.com/en-us/download/confirmation.aspx?id=46809
(Windows8.1-KB3021910-x64.msu)

https://www.microsoft.com/en-us/download/details.aspx?id=42334
(Windows8.1-KB2919355-x64.msu)

http://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4012213
(Windows8.1-kb4012213-x64.msu)

安装完后重新启动,
然后到云服务器里G盘,有个.NET安装包,安装.NET4.6即可