Go to Dashboard > Appearance > Customize > Layout> Footer
Footer Width – You can select footer width like full and container.
Footer Inner Width – You can select footer inner width like full and container.
Footer Widget – You can select number of footer widget.
Footer Bar Alignment– You can select footer bar alignment like left, right, center.
Footer Back To Top– You can select footer back to top button enable and disable.
Copyright– Enter a copyright lines.