A footer is a section that appears at the bottom of every page on a site and typically contains information, such as a contact email address or phone number, that is useful or applicable no matter which page your visitor is viewing. To add a footer:
When you would like to add or edit content in the footer, go back to the Site layout tab and click edit footer content. You can then use the pop-up editor to add or edit text, images, links and more. To preserve your changes, make sure to click "OK" and then "Save changes."
While inside the editing area for the footer, you will see 5 images that look like this:
In order to change where they are linked and link your own social media accounts, simply click on each image once and you see a link field pop up, click "Change" and edit the link to point to your own profiles. You will effectively be changing the place that the image is linked to.