In Jupiter X you are able to add icons to your menu items.
Note: Before adding icons to your navigation menu, make sure you've activated Menu Icons plugin from Jupiter X > Control Panel > Plugins. To learn more about Jupiter X bundled plugins, please refer to this article.
In order to add menu icons to the navigation menu:
1. After you activate the Menu Icons plugin, from the WordPress left menu go to Appearance > Menus.
2. Select a menu item which you want to add icons to.
3. Open each menu item and choose your desired icon for it by clicking on Select icon.
4. Save the menu.