Here's how to change the size of text, images, and apps in Windows 10.
To change your display in Windows 10, select Start > Settings > Ease of Access > Display.To make only the text on your screen larger, adjust the slider under Make text bigger. To make everything larger, including images and apps, choose an option from the drop-down menu under Make everything bigger.
To zoom in or zoom out on parts of your screen in Windows 10, use Magnifier. To turn on Magnifier, press the Windows logo key + Plus (+). Zoom in by continuing to press the Windows logo key + Plus (+). Zoom out by pressing the Windows logo key + Minus (-). To turn off Magnifier, press the Windows logo key + Esc.