You can use the default WordPress editor to change the font style that is used on your site.

1. Open WordPress Editor.
2. Click Fonts on the left.
3. Click on the font that you want to change, and then select a new font.
4. Click Save & Publish when done.

More info

• Using Page Builder in WordPress
• Edit header and footer text in WordPress
• Customizing settings in WordPress
• What is Page Builder?