Valve has already made the effort to take its users to Linux. A company led by Gabe Newell saw the risks in Microsoft's ecosystem and looked at Linux to be more likely. But sometimes the truth is complicated and unpopular, and Windows's use of data on Steam, its gaming platform, has been and is being harmful.
And today, with both companies in a friendly and cooperative environment, it makes little sense than ever to think of competitors. Windows 10 is a mature and fully functional operating system designed to make games work better.
Windows 10 dominates Steam
And to show the button, the latest platform usage data shows that over 85% of players use Windows 10 to play. There are still a bunch of users who still refuse to stop using Windows 7; and then we automatically have groups with OSX and Linux.
Windows 10 usage is growing more than 5% compared to the past. And it makes sense because Windows 7 updates are no longer available, and the upcoming new technology is not optimized to be 100% compatible with the latest version of the app.
Microsoft has put a lot of effort into making Windows 10 a platform for players. From the new game bar selects the combinations for specific services. It also gives you the freedom to use Xbox Live features even though games don't have traditional support for it, for example party chat.