The final version of theWindows 10 Game Modeis expected to ship with Windows 10 Redstone 2 in April.
Insider Build 15019, the Game Bar has been updated with Beam game streaming functionality.
It can be accessed by pressing Windows+G shortcut combination.
The new Game Mode enhancement features can be found in the Windows 10 tweaks.
It allows your Windows 10 PC prefer your video game over other processes running at the same time.
Thus, enabling better utilization of CPU and GPU resources.
The new Insider Build also brings other features like blue light filter, automatic file cleanup to Windows 10.
source: www.techworm.net