fix .NETFX prereqs

Author: cephalin

articles/app-service/quickstart-custom-container.md

@@ -3,7 +3,7 @@ title: 'Quickstart: Run a custom container on App Service'
 description: Get started with containers on Azure App Service by deploying your first custom container.
 author: msangapu-msft
 ms.author: msangapu
-ms.date: 11/08/2021
+ms.date: 06/30/2021
 ms.topic: quickstart
 ms.custom: devx-track-csharp
 zone_pivot_groups: app-service-containers-windows-linux
@@ -20,10 +20,9 @@ This quickstart shows how to deploy an ASP.NET app, in a Windows image, to [Dock
 
 To complete this tutorial:
 
-- <a href="https://hub.docker.com/" target="_blank">Sign up for a Docker Hub account</a>
 - <a href="https://docs.docker.com/docker-for-windows/install/" target="_blank">Install Docker for Windows</a>.
 - <a href="/virtualization/windowscontainers/quick-start/quick-start-windows-10" target="_blank">Switch Docker to run Windows containers</a>.
-- <a href="https://www.visualstudio.com/downloads/" target="_blank">Install Visual Studio 2022</a> with the **ASP.NET and web development** and **Azure development** workloads. If you've installed Visual Studio 2022 already:
+- <a href="https://www.visualstudio.com/downloads/" target="_blank">Install Visual Studio 2019</a> with the **ASP.NET and web development** and **Azure development** workloads. If you've installed Visual Studio 2019 already:
 
     - Install the latest updates in Visual Studio by selecting **Help** > **Check for Updates**.
     - Add the workloads in Visual Studio by selecting **Tools** > **Get Tools and Features**.

articles/app-service/quickstart-dotnetcore.md

@@ -46,14 +46,23 @@ In this quickstart, you'll learn how to create and deploy your first ASP.NET web
 
 :::zone target="docs" pivot="development-environment-vs"
 
+### [.NET 6.0](#tab/net60)
+
 - An Azure account with an active subscription. [Create an account for free](https://azure.microsoft.com/free/dotnet).
 - <a href="https://www.visualstudio.com/downloads" target="_blank">Visual Studio 2022</a> with the **ASP.NET and web development** workload.
 
-    If you've already installed Visual Studio 2022:
+### [.NET Framework 4.8](#tab/netframework48)
 
-    1. Install the latest updates in Visual Studio by selecting **Help** > **Check for Updates**.
-    1. Add the workload by selecting **Tools** > **Get Tools and Features**.
+- An Azure account with an active subscription. [Create an account for free](https://azure.microsoft.com/free/dotnet).
+- <a href="https://www.visualstudio.com/downloads" target="_blank">Visual Studio 2022</a> with the **ASP.NET and web development** workload (make sure the optional checkbox **.NET Framework project and item templates** is selected).
 
+-----
+
+If you've already installed Visual Studio 2022:
+
+1. Install the latest updates in Visual Studio by selecting **Help** > **Check for Updates**.
+1. Add the workload by selecting **Tools** > **Get Tools and Features**.
+    
 :::zone-end
 
 :::zone target="docs" pivot="development-environment-vscode"