To increase the size of text on a computer screen, select one of the larger presets in the Appearance and Personalization section via the Control Panel. Alternatively, modify the text size of individual elements on the screen through the Window Color and Appearance dialog box.
To access the Appearance and Personalization section, click on the Start button, select the Control Panel option, and click on Appearance and Personalization. Click on the Display link, select the desired option, and click Apply. The changes in size apply after restarting the computer. To modify the size of individual elements, click on the Start button, type “window color” in the search field, select the Change Window Colors and Metrics result, click on the desired element, and select the desired font size. When ready to finalize the process, click OK.