Steam Ate Microsoft's Lunch On PC, It's About To Do The Same On Handhelds
Valve’s handheld device, the Steam Deck, wasn’t the first portable gaming PC ever created, but it is by the far the most successful. And like Steam becoming the de facto way people play PC games in 2025, SteamOS will soon be the most popular way to play PC titles on the go, which is not great for Microsoft.