Do you want to try to create an app and run it on your Windows Phone phone without the need to create a developer account? Alternatively, would you like to test an app that a friend made but that has not been published in Windows Phone Store?

Now can anyone unlock their phone and download apps onto it. You can only have two such apps on your phone, if you do not have a developer account, then you can have up to ten apps.

Developer_Registration_ToolTo do this, you must first download the Windows Phone 8 SDK, and then use the Windows Phone Developer Registration Tool, which is installed with the SDK. Here is a description of this process.