You can edit the Footer template using the Elementor builder:






Locate the Footer link under "Edit with Elementor" menu in the toolbar:





Now you can edit/remove/add new elements of the Footer template. 




Use the "Navigator" feature to reorder the header elements: https://docs.elementor.com/article/378-navigator; https://docs.elementor.com/article/423-how-to-move-sections-in-elementor





Hit the "Update" button to save changes. Click the toggle button in the left top corner to locate the preview options:





Here you can view the page or exit to the dashboard:






You can also check this article: https://docs.elementor.com/article/337-create-footers-using-elementors-theme-builder