[Windows 8] Changing the Settings to High-performance Graphics.

Right click an empty space on the desktop.

Click 'NVIDIA Control Panel’ → 'Manage 3D Settings' →

Select 'Global Settings' tab.

Choose 'High performance NVIDIA processor' under

'Preferred graphics processor' option.

Click 'Apply' button to complete the changes in settings.

Click 'Program Settings' tab.

Choose a program you want create 3D settings from

'Select a program to customize'.

If you don't find a program, uncheck the 'Show only programs

found on this computer' box.

After choosing a program, go to 'Select the preferred graphics processor

for this program', and then select 'High performance NVIDIA processor'.

Click 'Apply' button to complete the changes in settings.

Right click an empty space on the desktop.

Click 'Configure Switchable Graphics'.

Click ‘Graphics Settings’ under ‘Recent Applications’,

and then click 'High performance’.

If you want to add other apps, select 'Add Application' button to add.

Click 'Apply' button to complete the changes in settings.

Click 'Switchable Graphics Global Settings'.

Change ‘Global Application Settings’ of both ‘Battery’ and

‘Plugged In’ to 'Maximize Performance'.

Click 'Apply' button to complete the changes in settings.