Aka Ms Activatexbox Official

Take a photo of it with your phone. It beats trying to memorize a string of random letters while looking for your laptop. 2. The Activation: The Web Portal

Submit the form. Your Xbox will now be registered to your developer account. 5. Switch to Dev Mode aka ms activatexbox

In short, you visit the link to confirm that you are the owner of the console and the account. Take a photo of it with your phone