Answer
This question was answered on January 28, 2001.
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Hi: I found this at www.microsoft.com/enable/training/windows2000/magsize.html
With the mouse: 1.) When Magnifier is running, move the mouse pointer over an edge of the magnifier window, then 2.) When the cursor becomes a double-pointed arrow, drag the Magnifier window border to resize the window, or
On the keyboard: 1.) When Magnifier is running, make sure Mousekeys is turned on, then move the pointer over an edge of the Magnifier window by pressing the arrow keys on the numeric keypad, then 2.) When the cursor becomes a double-pointed arrow, press the INSERT key on the numeric keypad, then press the arrow keys to adjust the window to the size you want, then press the DELETE key.