- Right click on the desktop and select Personalize.
- Select Display at the bottom left.
- Under Change only the text size, select the arrow and choose Tooltips. Change the font size to your choice.
- Select Apply to accept the changes.
For Microsoft Windows 7 users:
- Right click anywhere on the desktop and select Personalize.
- Select Window Color and then Advanced appearance settings.
- In the Window Color and Appearance box, under Item, pick ToolTip from the list. Change the font to your choice, and select OK.
- Select Save Changes in the Window Color and Appearance window.