How to Find Out How Big My Screen Resolution Is

Move the cursor over an open area on the desktop and right-click the screen. Select 'Properties' on the menu that opens.
Select the 'Settings' tab in the 'Properties' window.
Locate the screen resolution slide box in the bottom left portion of the window. The resolution listed in the box is the computer's current resolution setting.
Drag the slider to the maximum resolution setting. The resolution reading in the box is the maximum resolution of the display.
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