This video will show you how to enable Game Mode in Windows 10 Creator Update as of April 05, 2017.
Just make your game's display mode from Full screen to Windowed or Borderless windowed, then open Game Bar by pressing the "Windows + G" shortcut and enable Game Mode for any games you want.
After that you can change display back to fullscreen and enjoy the game.
Intro by CarrierGraphics | Music: Logic - On the Low
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