1. Open Microsoft Word on your iMac.
2. Locate the green 'Maximize' button next to the gold 'Minimize' button and the red 'Close' button in the top-left corner of the Word program window.
3. Click the green 'Maximize' button.
4. Click and drag the bottom-right corner of the Word window to make it even larger. Drag the window outward until it is the size you desire.