Use the Font dialog box (found in the Format menu) to change your font, preview it, and adjust its size and style.
To select a font, you can scroll through the font list. The list shows you all of the fonts that are available on the computer you're using.
You can preview a particular font before you select it for your document. The preview window in the Font dialog box allows you to see what a particular font looks like. Previewing can help you select an appropriate font for your document.