Setting Switchable Graphics Card Defaults for Applications in Windows

For all who have multiple Graphics Processing Units on Windows 10 and want an easier way to set the default GPU, go to the Settings, System, Display and Graphics settings to select the default GPU for any Classic App where you browse and choose from your installed applications …

No longer do you need to set it in the NVIDIA Control Panel or the AMD Catalyst Control Center.

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Thank you Don! I had never seen or noticed this setting before.

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If my computer has 16gig memory and 8gig video.how much video memory will it use ?

There are settings in the Preferences where you can specify High, Medium or Low for GPU memory. High will take as much as is available.