You can change fonts in many different ways.

Examples:

This text is Times New Roman, size 16, italics and bold.
This text is Berlin Sans FB, size 12 underlined.
This text is Arial Black, size 14 and italics.

The following text is Verdana, size 28, bold, and centred:

Title in Verdana

To remove bold, italics, underline:

• Block the text that you want to change
• Click again on the bold, italics or underline area on the toolbar.