*Game download requires significant storage (ISP fees apply). 1-month Xbox Game Pass trial: Not valid for current subscribers and previous trial users; game catalog varies over time ( xbox.com/game-pass ). 14 day Live Gold trial: Not valid for current subscribers. 4K streaming with select apps, see Xbox.com . Some apps require app provider-specific subscriptions and/or other requirements. 4K Ultra HD and HDR functionality available with supported games and TVs. Xbox One Backward Compatibility works with select Xbox 360 and Original Xbox games, and requires initial download of game to console ( http://www.xbox.com/backcompat ).