Different parts of the page footer are edited in different ways.
Hard-coded Parts
- linked logos
- copyright information
Editable Parts
Address, Contact Links, Social Links, Subscribe Links, Partner Links
- edited in the Appearance > Customize screen
- click on Footer
- the HTML markup can be edited in the text blocks
Footer Navigation (under Stay Connected section)
- edited in the Appearance > Menus screen
- select the Footer Navigation menu