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.
What's Cool for Windows developers
Find out what's new for Windows developers - the SDK, the new controls, and more.
CHECK IT OUT
Hello, World!
Start coding! An early release of the tools are coming soon so you can try Windows 11 features for yourself.
START HERE
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.
LEARN MORE
Design
Windows 11 brings a brand new look and feel to your apps. Learn about the new Windows design improvements and how to use them in your own software.
CHECK IT OUT
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.
DIVE IN
PWA
Progressive Web Apps provide access to open web technologies for cross-platform interoperability and provide your users with a native, app-like experience customized for their devices – and you can distribute them in the Microsoft Store.
WATCH VIDEO
The Windows Developer Experience
See why Windows 11 is the best platform for developers. Use the tools and languages you love. The developer life has never been better.
START CODING
Become a Windows Insider!
Start running Insider Preview builds of Windows 11 on your devices and see what's next for Windows.