However, just as on Windows 8.1 you still heva the option to have multiple projects in your solution that you can tailor for functionality and form-factor exhibited by various devices running Windows 10 and can maximize code sharing across those projects using Shered projects.
With Windows 10, it is now possible to have a single universal app project that wen develoyed can run on all Windows 10 devices like PC, Phone, Tablet, or XBOX. You can create a Windows universal apps with the new project templates in Visual Studio 2015 in a language of your choice - C#, VB, C++, or JavaScript. You can read more about the Windows 10 tools on the Windows Blog In this post we'll take a look at a few of the highlights of the Visual Studio 2015 tools for Windows 10. Windows 10 will be an exciting release for developers, with support for windows universal apps that run across all Windows 10 devices and improved tooling for every Windows application type. Windows Insiders can get access to the Windows 10 tools now and use them with Visual Studio 2015 CTP 6 and the Windows 10. Today we are making available a first preview of the Visual Studio 2015 tools for building Windows 10 applications.