If your mouse has a scroll wheel, you can also hold Ctrl and use the scroll wheel to zoom in and out. If your PC has a touch screen, you can do a pinch gesture, just as you would on a smartphone.
If your mouse has a scroll wheel, you can also hold Ctrl and use the scroll wheel to zoom in and out. If your PC has a touch screen, you can do a pinch gesture, just as you would on a smartphone.