Microsoft is rolling out a new aggregated gaming library inside its Xbox PC app today on Windows. The updated app will now list games from Steam, Battle.net, and other PC storefronts — making it a launcher for games you have installed on your PC.
Microsoft has been testing this aggregated library in recent months with Xbox Insiders, but it’s now available to all Xbox PC app users. It’s designed primarily for the new fullscreen Xbox experience that will ship on the Xbox Ally devices, but…