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Announcing Windows 11

Start developing for the next version of Windows. Update your existing apps or create brand new experiences with the Windows App SDK.

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What's Cool for Windows developers

Find out what's new for Windows developers - the SDK, the new controls, and more.

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Hello, World!

Start coding, today! An early release of Windows 11 is now available to Windows Insiders. Write apps using Windows 11 features.

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Windows App SDK

Project Reunion and WinUI 3 are now known as the Windows App SDK. Learn about this new platform for creating apps to run on both Windows 10 and Windows 11.

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Pen haptics

Discover how you can create Windows apps that provide natural, intuitive, and tactile user experiences with new haptic APIs for digital pens.

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Microsoft Store

With an engaging new look that has been updated to support traditional desktop apps and new ways to generate revenue, there has never been a better time to starting publishing on the Microsoft Store.

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Windows 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.

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The best tools for developers are on Windows

See why Windows 11 offers the best tools for developers that empower you to code with whatever language, framework, or environment you prefer.

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Become a Windows Insider!

Start running Insider Preview builds of Windows 11 on your devices and see what's next for Windows.

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