Bring your existing code to Windows
Wherever your code was born, you can bring it to Windows.
Convert your existing desktop app for clean installations and updates, and to enable publication in the Microsoft Store or the channel of your choosing. From there, you can enhance your app with Universal Windows Platform (UWP) features and work to reach all devices running Windows 10.
To help bring your existing Windows Phone 8.1 Silverlight app to the Universal Windows Platform (UWP), we've partnered with Mobilize.Net. Together, we provide a tool that will parse and analyze the source code of your app and automate the conversion to UWP.
Convert your iOS apps to Windows with the Windows Bridge for iOS. You can keep your app in Objective-C, and combine many supported iOS frameworks with new Windows-specific features to wow your millions of potential new users.
Once your app is on the Universal Windows Platform (UWP), you'll have access to unique Windows 10 features such as Cortana and Windows Ink.
Here’s some more guidance on rewriting existing apps to UWP: