Windows 10 Game Mode will prioritize games for smoother play
 

Remember that "Game Mode" feature that Twitter user WalkingCat found in Windows 10 build 14997? When we first heard about it, we were left wondering exactly what it did. Windows Central got to speak with Kevin Gammill from Microsoft's Xbox team, and the short version is that Game Mode is an OS feature that should slightly improve performance consistency in both UWP and Win32 games when it's activated.

http://techreport.com/news/31333/win...-smoother-play