Answer: Social media links/buttons are added through your Theme settings and can be displayed on your Announcement bar and Footer bottom sections.
Step 1: Within your Theme Editor, go to the left-hand menu to select Theme settings.
Step 2: Click Social media to expand the list of settings.
Step 3: Enter the social media URLs you want to display into the entry fields. Doing so will make it possible to display social media icons in your Announcement bar and/or Footer sections. Account fields that are left blank will not display an icon.
Step 4: Head back to Sections in the Theme Editor to enable your social media icons. Icons can be added to the Announcement bar by activating a checkbox, or to the Footer bottom via a content block.
Announcement bar example: