记录步骤

       1. 下载.NET 5 Hosting

Windows Hosting Bundle 

       2. 在CMD 进行 dotnet --info 跳出

api-ms-win-crt-runtime-l1-1-0.dll   缺少Windows 通用C运行时 安装包(Windows 8.1 x64 ) Link Windows  Universal C Runtime   Github 解释 [Link] [Link1]

   

       3. 继续运行dotnet --info  发现   No SDKs were found 

Host (useful for support):
  Version: 5.0.1
  Commit:  b02e13abab

.NET SDKs installed:
  No SDKs were found.

.NET runtimes installed:
  Microsoft.AspNetCore.App 5.0.1 [C:\Program
tCore.App]
  Microsoft.NETCore.App 5.0.1 [C:\Program Fi
App]

To install additional .NET runtimes or SDKs:
  https://aka.ms/dotnet-download

 

.NET 5 SDKs  .NET SDK x64