To sell your Universal Windows app or distribute it to other users, you need to create an appxupload package for it. When you create the appxupload, another appx package will be generated to use for testing and sideloading. You can distribute your app directly by sideloading the appx package to a device. (What is sideloading?). For Windows 10, you generate one package (.appxupload) that can be upl