标签：下载 otn target bsp down mic microsoft blank frame
dotNetFx40_Full_x86_x64.exe 官网下载
https://download.microsoft.com/download/9/5/A/95A9616B-7A37-4AF6-BC36-D6EA96C8DAAE/dotNetFx40_Full_x86_x64.exe
NET Framework 4 官网下载
原文地址：https://www.cnblogs.com/Summer6/p/14727048.html
