The Magnifier window is sizable - simply click & drag one of the borders to resize the window. Note that if you get more than 1/4 of the screen, it starts to take away the usable screen real-estate.
Original ID: QU253995
Product: The Magnifier
Depending on product, release version, OS version, and specific technical issue, some tech items are very specific, and some may span to other products/versions