Find out if a display is optimized for HDR video. Select Start , then search for settings.Select Settings > System > Display . At the top, choose the display you want to check. Select Use HDR.. Under Display capabilities, look for the value next to HDR video streaming to see if it says Supported or Not supported. For more detailed info about what you need to play HDR video in Windows, see ...

Press the Start button , type Settings in the search box, and then select Settings.; Choose Gaming > Game Mode.; Turn Game Mode On or Off.

There are two ways to allow an app through Windows Defender Firewall. Both of them are risky: Add an app to the list of allowed apps (less risky)