The Windows 10 Universal Apps platform was introduced in Windows 10:
More information is available here.
Naturally we wanted to unlock the potential of this new platform for our game developers, so we added support for Windows 10 Universal Apps in Unity 5.2.
Currently, you can export to Windows 10 Universal Apps by selecting the Universal 10 SDK from the Windows Store platform in the Build Settings Window as illustrated below:
Unity 5.2 will export Visual Studio 2015 solution files which can then build and run on Windows 10 PCs plus Windows 10 phones and tablets. Three architectures are supported: ARM, x86 and x64. In addition, you can use .NET Core 5.0 in your game projects.
In order to build Unity games for Universal Windows 10 applications (UWP) you will need: