How to Setup Zillah Top Menu and Social Media
From Admin side menu select Appearance > Menus.
Create the Social Media Menu.
The image above is an example. Replace the Url with your real one's and on label add the social link name. After you have create the menu and links tick Social Links Menu at Menu Settings and save.
Then you must Create the Main Menu.
The image above is an example. After you have create the main menu and links tick Primary at Menu Settings so it will be your main menu and save.
After you finish these 2 steps your homepage should be like this.