How to Zoom in desktop Apps?
Press the Windows logo key + Ctrl + M to open the Magnifier settings view. Press the Tab key until you hear “Zoom out, button” or “Zoom in, button,” and press Spacebar to adjust the zoom level accordingly.
How do you magnify an application?
Zoom or Magnify Screen Items in Windows 10
In Windows 10, it's easy as pressing the Windows key and (+) key to activate the magnifier app. You can then zoom in or out by pressing either the plus or minus sign on the app or press Windows key and (-) or (+) on your keyboard. As you can see, I have zoomed in up to 300%.
How do you zoom out on apps?
Tap anywhere on the screen, except the keyboard or navigation bar. Drag 2 fingers to move around the screen. Pinch with 2 fingers to adjust zoom. To stop magnification, use your magnification shortcut again.