Microsoft notes (opens in new tab) that some backgrounds are only available through certain promotions that come alongside special edition hardware, like the 20th Anniversary Special Edition Xbox controller. One of the more recent dynamic backgrounds includes a gorgeous interpretation of the Halo Infinite cover art, with the legendary Master Chief seen standing stoically in the distance near Installation 07. If the Xbox 360 dashboard is more your speed, there’s the perfect dynamic background for you called ‘Xbox 360’. Enjoy the famous green blob any time you power up your Xbox Series X/S with that free background. ‘The Original’ dynamic background is a quick way to transport yourself back to 2001 and take a trip down memory lane with the Xbox background that started it all. You'll see a lengthy list of backgrounds to choose from, such as the familiar green ‘Waves’ pattern to unique ombre colors, and more. Select ‘Dynamic background’ and then you'll be given a chance to scroll through the available options.