![Rounded corners](/web/20220102205615im_/https://developer.microsoft.com/en-us/windows/windows-for-developers/images/hero-1600x600.png)
What’s cool for developers in Windows 11
Windows 11 brings new SDKs and a beautiful UI for new and existing apps.
Get the right tools
Configure your development computer with these tools and get started today.
START HERECode samples
Check out the latest Line of Business and consumer app samples using Windows 11 features.
GET CODE![Screen shot of rounded corners on a dialog box](/web/20220102205615im_/https://developer.microsoft.com/en-us/windows/windows-for-developers/images/rounded-corners_1600x600_new.png)
Windows Design
Windows 11 has a focus on geometry, color, layering, typography, and materials that brings a fresh new look for you to leverage micro-interactions and window snapping experiences, whether creating new apps or revitalizing your existing apps.
WINDOWS 11 DESIGN PRINCIPLESRounded Corners
Learn how to round your Win32 app's main window corners if the system doesn’t round them automatically.
ROUND UPSnap Layout Menu
Here’s how to allow the snap layout menu to appear if the system does not provide it automatically.
SNAP TO ITInfoBadge
An InfoBadge can be used when you want to bring the user's focus to a certain area of your app in an unintrusive way.
GET INFORMED![Screenshot of SDK in Visual Studio](/web/20220102205615im_/https://developer.microsoft.com/en-us/windows/windows-for-developers/images/WinAppSDK-1600x600.png)
Windows App SDK
The Windows App SDK — the new name for Project Reunion and WinUI 3 — brings a unified set of APIs and tools for developing desktop apps to Windows 11 and Windows 10.Choose your UI, language, and technology then share your apps with millions.
LEARN MOREWindows App SDK samples
This repository contains a growing number of samples for features shipping in the Windows App SDK.
LEARN MOREWindows App SDK API reference
Check out the new APIs in the Windows App SDK covering automation, app resource management, inking, composition, text rendering, camera support, and more.
WinRT APIs Win32 APIsWinUI Controls Gallery
The interactive sample highlighting WinUI user interface controls.
LEARN MORE![Pen haptics](/web/20220102205615im_/https://developer.microsoft.com/en-us/windows/windows-for-developers/images/october-haptic-740x417.png.png)
Pen haptics
Discover how you can create Windows apps that provide natural, intuitive, and tactile user experiences with new haptic APIs for digital pens.
LEARN MOREWindows 11 on ARM
ARM64EC is a new application binary interface (ABI) for building apps for Windows 11 on ARM. Discover how you can build new native apps or incrementally transition existing apps to native performance on ARM.
LEARN MORE![Background color](images/Typo-2400x250.png)
Become an Insider!
Get early access to Windows 11 builds and the development tools you need to update your existing app or creating brand new ones.
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