If you want to get a similar look with the footer on Mr. Tailor demo, then you need to navigate to Appearance > Widgets and drag-and-drop the ones you find useful into the Footer Widget Area:
On Mr. Tailor demo we're using the Custom Menu widget.
How to change the number of columns on my footer?
Each widget you add to your footer will show on a different column. For example 3 widgets will automatically show on three columns.