Answer
step 1-click the "start" button in the lower -left corner of the desktop.
step 2-click "control panel" and choose "appearance and personalization"then select adjust screen resolution.
step 3-click the slider and move it down or adjust it to 800*600 as required and then press the apply button.
step 4-click the keep in the dialogue box that appears
Explanation
screen size resolution is the number of horizontal and vertical pixels on a display screen. The visibility of the information is determined by the number of pixels. so the more the pixels the better visibility.
The windows OS allows you to change the screen -size resolution.Monitors depending on their shape and size requires different resolutions. It takes few moments to set your screen resolution.
