Getting Started with UWP
https://developer.microsoft.com/en-u...ows/getstarted

Get Visual Studio 2015 (free)
https://developer.microsoft.com/en-us/windows/downloads

Sign up with Microsoft (ID@xbox.com)
http://www.xbox.com/en-us/Developers/id

Xbox One Developer Mode Activation
https://msdn.microsoft.com/en-us/win...kit-activation

Xbox One Developer Mode FAQ
http://support.xbox.com/en-US/xbox-o...vation-app-faq

Connecting your Windows Phone to Visual Studio
https://msdn.microsoft.com/en-us/win...l-mobile#setup