The footer and copyright area can be changed at the “Customize > General > Footer / Copyright” section or Goodlayers > General > Footer/Copyright.
You can select the layout as shown on the following screenshot.
After selecting the layout, you can assign the widget to the footer at the “Appearance > Widget” area. The widget you assigned will matched with the footer layout. ( Eg. Footer 4 will be ignored if you select the 3 column footer style ).