To change the font or color of a Help Topic
1. In the Help topic window, click Options.
You can also use the right mouse button to click inside the Help topic.
2. To change the font size, point to Font, and then click Small, Normal, or Large.
3. To change the color, click Use System Colors.
When prompted to close Help, click Yes. When you open Help again, the background color and text will match your system colors.