Sometimes when viewing a document or a web page the text is too large or too small and it helps to be able to zoom in or out so that you can view the text/image more easily.
Zooming in and out of a page:
Keyboard and Mouse:
To zoom in and out of a page using your keyboard and mouse you need to hold down the Ctrl key and scroll the wheel on your mouse up to zoom in and down to zoom out.
To zoom in and out of a page using just a keyboard you need to hold down the Ctrl key and press - or + key as required.
Resetting the zoom level:
To reset the zoom back to default you will need to press and hold down Ctrl and press the 0 (zero) key.