You can access the Footer Settings via Admin Dashboard > Appearance > Customize > General Settings > Footer.
Footer Settings #
You can add the copyright information to display on your website footer via the Footer Settings.
General Setting #

Footer Copyright Text: You can enter the footer copyright information you want to display for your website via this field.
Design Setting #

The following are the Design settings provided to configure the Footer section:
Text Color: Select a color for the footer copyright text and footer widget text.
Widget Title Color: Select a color for the footer widget title.
Background Color: Select a background color for the footer section.