Windows app development documentation

Build native Windows desktop apps with the Windows App SDK and WinUI 3, the recommended UI framework for new Windows apps.

What's new

Tutorial

Overview

Build and ship Windows apps

Choose the part of the app development journey that matches what you want to do.

Explore controls, inspect working code, and use tools that help you create Windows apps.

WinUI Gallery

winapp CLI

Find support options, community resources, and answers to common Windows app development questions.

Download the current Windows App SDK release or find an earlier release.

Read announcements, release updates, and deep dives from the Windows developer team.

Find reference documentation for Windows App SDK, WinUI, Windows Runtime, and Win32 APIs.