Microsoft is testing a new version of its Xbox app for Windows, which will feature a combined library that includes games from various storefronts like Steam and Battle.net. Users will be able to view and launch these games directly within the Xbox app, eliminating the need to switch between different launchers. Games installed from supported storefronts will automatically appear in the "My library" section and the "Most recent" list in the sidebar. Users can join the gaming preview by downloading the Xbox Insider Hub on their Windows PCs, with the feature expected to roll out later this year.