The add-ons for publishing to the Windows Store are free for both basic and Unity Pro users.

To target Universal Windows Platform, you will need at least Visual Studio 2015 Update 1.

Unity3D Pro Builder Mac OS X Or

If you are running Mac OS X or will install on Apple hardware, check different options for installing using Boot Camp, VMWare, or Parallels.

During this process you will register and get verified as an individual or as a business who can submit apps and games to the store.

Unity3D Pro Builder Registration Allows You

This registration allows you to submit apps and games to PC, Phone, Tablet and also in the future to HoloLens and Xbox.

For your benefit, it is recommended that you use at least Unity 5.3.2.

Newer versions may have a different application programming interface.

From here, you can simply select and enable Developer mode.

If you have platform specific code or libraries, the process outlined in this post may throw errors before you get to the end.

Your build settings are now properly configured in Unity3D to allow you to export to UWP.

You will be prompted with a Build Windows Store dialog to select a folder for building your game.

Weve already exported your Unity 3D game into a UWP solution.

When you create the appxupload, an additional appx package will be generated to use for testing and sideloading.

Then click Run. You can watch the progress of the build in the Output window.

To do so, navigate to the Project menu and choose Store - Associate App with the Store.

As a general rule, however, you do not want to do this and really dont want to alter the manifest file at all if you arent completely sure of what you are doing.

By using Unity 3D and Visual Studio together in your development toolchain, you can gain a much wider audience for your games.

Just as exciting, you can potentially deploy your games to a greater variety of devices from tablets to phablets to gaming consoles to the latest emerging technologies built around Windows 10.