While, many posts have been written about Windows 10 Game Mode, here's the full rundown — directly from Microsoft — on how this new system feature works.
The Windows 10 Game Mode will simply serve as suppressing system for processes and apps taking too much CPU, GPU, and RAM resources, thus freeing them up for the primary goal of game playing.
It will also limit CPU thread contention between the games been played and existing system processes, helping to speed things up even further.
Microsoft is also testing a game broadcasting feature in the Xbox app, albeit the feature is currently disabled, Windows 10 users will be able to easily stream games to the Beam pro with just the Xbox app once the Windows 10 Creators Update is released in April.
The concept behind the Game Mode is already available on Xbox One, which is to give games priority access to system resources.
Similar to how the Xbox One works, Game Mode is dynamically disabled when a user minimize or set game in the background, giving system processed full access to the hardware while multi-tasking.
Game Mode will be enabled by default for certain games that have undergone thorough testing, such as Halo Wars 2, which is expected to leverage Game Mode out of the box.
Microsoft is currently working with Intel, AMD, and NVIDIA, to make sure Game Mode comes out as good as possible, by optimizing for the most popular hardware configurations.