A few weeks ago, Windows Insiders noticed GameMode.dll was added to the Windows 10 preview builds. It was speculated by Windows Central, based on their anonymous sources, that it would allow the user to increase performance for games. Now, in an Xbox blog post, Mike Ybarra of Microsoft confirmed the existence of this feature. It will arrive with the Creators Update and, yes, it is intended to “optimize your Windows 10 PC for increased performance in gaming”.
That’s about all of the detail that is mentioned explicitly in the blog post. It does make a passing reference to “Windows Insiders will start seeing some of the visual elements for Game Mode this week, with the feature being fully operational in builds shortly thereafter”. While we don’t need to wait too long to actually find out, this snippet suggests that user involvement will be required. This might be a launcher or something else entirely.
On his Twitter, he also added that Game Mode will work for both Win32 and UWP games. Assuming this isn’t a mistake, and it’s stated quite bluntly albeit on Twitter, it looks likely that Game Mode’s UI won’t be an extension of Windows Store and it will work for any game. It will probably reside elsewhere, like an Xbox App or something, but we don’t really know yet.
The Windows 10 Creators Update arrives this spring. While its version number is 1703, rumors have it set for an April release date.