Xbox One gamers have a few options when it comes to preloading Modern Warfare on their console. The first and most popular option is to use the Xbox One’s built-in game library. This feature allows gamers to access games that have been released on the console in the past, as well as new games that are being developed by Microsoft. The second option is to download Modern Warfare from the Xbox Live Marketplace. This service offers a variety of content, including games, movies, TV shows, and more. Finally, gamers can purchase Modern Warfare from digital retailers or online stores.