: This typically requires a one-time registration fee (approximately $19 for individuals). Install the App on Xbox On your console, open the Microsoft Store and search for "Xbox Dev Mode" Download and launch the app. It will provide a 6-digit activation code on your TV screen. Link the Console On a PC or mobile browser, go to aka.ms/activatexbox Sign in with the same Microsoft account you used for the developer registration. "+" (plus)