update

Author: zhiyuanliang-ms

articles/azure-app-configuration/quickstart-feature-flag-dotnet.md

@@ -23,7 +23,7 @@ The .NET Feature Management libraries extend the framework with feature flag sup
 
 - An Azure account with an active subscription. [Create one for free](https://azure.microsoft.com/free/).
 - An App Configuration store. [Create a store](./quickstart-azure-app-configuration-create.md#create-an-app-configuration-store).
-- [Visual Studio](https://visualstudio.microsoft.com/vs)
+- [Visual Studio](https://visualstudio.microsoft.com/downloads)
 - [.NET SDK 6.0 or later](https://dotnet.microsoft.com/download) for .NET console app.
 - [.NET Framework 4.7.2 or later](https://dotnet.microsoft.com/download/dotnet-framework) for .NET Framework console app.