• Open the Style Customization editor by Edit Site -> Edit Style from the top of your site.
  

• Choose the style you want to edit
  

• Select Fonts from the Customization Menu

• Select a Font from the list then -> Keep Change -> Publish Change. 
• You can change the font color using the Color Theme Editor.

If you have a font, you would like us to add, send your request to support@gamerlaunch.com.