This is how you can display the footer menu on your blog.

Go to Appearance >> Menus 

Select the appropriate menu and tick this setting.

Your footer menu will be displayed like this.

How to do the settings of Footer Menu?

Go to Appearance >> Customize >> Affiliate Booster Theme Panel >> Menus >> Footer Menu

Now you can do any setting of Footer Menu with these options.

Now design the footer of your own choice. :)