Update versions of .NET and links (#6028)

* Update versions of .NET and links

* Update README.md

Co-authored-by: Vishal Sharma <83055644+vishalmsft@users.noreply.github.com>

Co-authored-by: Vishal Sharma <83055644+vishalmsft@users.noreply.github.com>

Author: kant2002

README.md

@@ -7,25 +7,25 @@ Windows Presentation Foundation (WPF) is a UI framework for building Windows des
 
 WPF applications are based on a vector graphics architecture. This enables applications to look great on high DPI monitors, as they can be infinitely scaled. WPF also includes a flexible hosting model, which makes it straightforward to host a video in a button, for example. The visual designer provided in Visual Studio makes it easy to build WPF application, with drag-in-drop and/or direct editing of XAML markup.
 
+As of .NET 6.0 WPF supports ARM64. 
+
 See the [WPF Roadmap](roadmap.md) to learn about project priorities, status and ship dates.
 
 [WinForms](https://github.com/dotnet/winforms) is another UI framework for building Windows desktop applications that is supported on .NET (6.0.x/5.0.x/3.1.x). WPF and WinForms applications only run on Windows. They are part of the `Microsoft.NET.Sdk.WindowsDesktop` SDK. You are recommended to use the most recent version of [Visual Studio](https://visualstudio.microsoft.com/downloads/) to develop WPF and WinForms applications for .NET.  
 
-WPF for ARM64 is new for .NET 6.0 and is supported by NET 6.0 Preview 1 and later. 
-
-To build the WPF repo and contribute features and fixes for .NET 6.0, the most recent [Visual Studio Preview](https://visualstudio.microsoft.com/vs/preview/) is required.  
+To build the WPF repo and contribute features and fixes for .NET 7.0,  [Visual Studio 2022 Preview](https://visualstudio.microsoft.com/vs/preview/) is required.
 
 ## Getting started
 
-* [.NET 5.0 SDK](https://dotnet.microsoft.com/download/dotnet/5.0)
-* [.NET Preview SDKs (6.0 Preview 1, 5.0 servicing, and 3.1 servicing)](https://github.com/dotnet/installer)
+* [.NET 6.0 SDK](https://dotnet.microsoft.com/download/dotnet/6.0)
+* [.NET Preview SDKs (7.0 daily, 6.0 servicing, and 3.1 servicing)](https://github.com/dotnet/installer)
 * [Getting started instructions](Documentation/getting-started.md)
 * [Contributing guide](Documentation/contributing.md)
 * [Migrating .NET Framework WPF Apps to .NET Core](https://docs.microsoft.com/en-us/dotnet/desktop-wpf/migration/convert-project-from-net-framework)
 
 ## Status
 
-- We are currently developing WPF for .NET 6. 
+- We are currently developing WPF for .NET 7. 
 - We have completed publishing WPF sources. You can learn more about this at https://github.com/dotnet/wpf/issues/2554. 
 - We have completed porting WPF to .NET Core as part of .NET Core 3.0, you can learn more about what was done [here](https://github.com/dotnet/wpf/issues/1936).