Use this PowerToy to magnify part of the screen from the taskbar
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Taskbar Magnifier shows you a magnified region of your screen in the task bar. You may decide the zoom level, with choices of 2X, 4X and 8X, or decide that you want to follow the mouse movement or key presses.
This tool could be very useful for anyone with reduced visibility that need to read from the screen, where there is often a huge variety of fonts with small or obscure letters. Taskbar Magnifier will help immensely to enhance users experience.