We know that the direct use https://www.nuget.org/api/v2/ source of resources to access or download speed in the country is very slow, we can add resources to address domestic, such as Huawei or Tencent.
Tencent resources address: https://mirrors.cloud.tencent.com/nuget/
Huawei's resources address: https://repo.huaweicloud.com/repository/nuget/v3/index.json
Add Method (VS2013 for example): Tools - Options --NuGet Package Manager - package source, click on the upper right corner of the "plus" button in the lower right type "name" and "source" and then click "Update "button. Specifically as shown below:
Test results: We are in Package Manager console, select the package source for the "Tencent Nuget" just added, and then enter the Install-Package CefSharp.WinForms -Version 75.1.142 (CefSharp package is very large, several hundred MB of it)
