WinUI 3

Why should you use WinUI 3?

WinUI 3 is a native user experience platform that allows users to build modern windows applications. It is made with modern techniques performing seamless User Interactions.

Earlier User interface layers like Microsoft Foundation Class (MFC) Library framework, WinForms, Windows Presentation Foundation (WPF), and Universal Windows Platform (UWP) have been modernized to WinUI 3. WinUI 3 is the most recent in a long line of graphical user interface (GUI) frameworks.

It aligns the future of Windows applications to provide controls, interactions, and animations. This is based on the next generation of modern UX Stack, which works across all windows platforms.

It is designed for both new and current Windows applications. Desktop applications can utilize WinUI 3 natively as their UI layer. Using XAML Islands, we can also progressively update the user interface of UWP and Win32 programs.

WinUI 3 has three essential things: defining the trend and modern technology with which one can build UI/UX. These sectors are now decoupled from Operating Systems & ship as a package:

  • Low-level Visual Layer
  • XAML Layer
  • Controls Library

The User Interface is an essential aspect of any desktop or mobile application. WinUI 3 will allow developers to mix and match the right combination of segments easily with App models like UWP and Win 32. This can be used on .NET or any native application, which can be achieved with .NET programming languages such as C#, Visual Basic, and Standard C++. MSIX will deliver this, AppX for the Microsoft Store, unpacked and utilized. You can use Win UI 3 even to extend to existing WPF, WinForms, or MFC applications using XAML Islands.

Why should you have the advanced WinUI 3?

  • If you adapt WinUI 3 over other frameworks, it keeps your apps updated with the most recent Fluent Design, controls, and visual components without needing an updated Windows SDK.
  • Developers admire UI 3 for its adaptability to any version of the operating system. It also supports native development. Even though it is entirely C++, it may be used in.NET applications.
  • WinUI 3 supports Windows 10 and the following versions. Users who aren’t running the most recent version of Windows 10 would be unable to adapt.
  • To leverage essential controls or capabilities of UWP XAML, applications written with UI 3 do not require any version checks.
  • Developers may utilize the newest UI 3 controls without upgrading Windows, in contrast to UWP.
  • WinUI 3 may create and ship apps with new XAML capabilities right now.


You may use WinUI 3 to update certain program areas, allowing you to embrace UI 3 at your speed. Within your desktop app, you may host any built-in Universal windows control or custom-created control, as well as UWP capabilities like WebView or contemporary input support. XAML Islands enables you to improve your experience, which will significantly impact your application.

Authored by:
Abhigna Arcot
Senior Content Writer

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