Simple instructions for how to change Windows screen resolution inside Windows Display Properties in order to increase or decrease resolution. Steps for Windows Display Properties Screen Resolution1. Right click on an empty area on your desktop and choose Properties. This will bring up the Display Properties window. 2. In the Display Properties window, choose the Settings tab. 3. Move the Screen Resolution slider to the right or left (for Less or More) in order to increase or decrease the screen resolution numeric value. 4. Click on Apply. to change screen resolution in Windows 8 simply right + click the desktop to bring up screen resolution options. See example below: