Speed up Windows 10 Gaming by disabling GameDVR and prevent it from automatically record each and every game you play.

For easy disabling GameDVR, press the buttons WINDOWS + R and type REGEDIT then press OK.

Navigate to the Key:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\PolicyManager\default\ApplicationManagement\AllowGameDVR

Now set the “Value” to “0” and restart your computer to disable GameDVR screen recording.