This tutorial provides the steps to change the default 3 columns footer widgets in 4 columns widgets in Genesis Sample.
Default 3 columns Widgets.
Updated 4 columns Widgets.
STEP 1
Open child-theme/functions.php and find this line
add_theme_support( 'genesis-footer-widgets', 3 );
and change the value to 4.
OR
Open child-theme/config/theme-supports.php and find this line
'genesis-footer-widgets' => 3,
change the value to 4.
Go to Appearance > Widgets and Drag Widget in Footer 4.
STEP 2
Open child-theme/style.css and under min-width: 960px; change the css width for 4.
.footer-widget-area { float: left; margin-bottom: 0; width: calc(100% / 3); }
to
.footer-widget-area { float: left; margin-bottom: 0; width: calc(100% / 4); }
You can similarly change the footer widgets column to 2, 5 or 6.
Dare says
Just changed the genesis sample widget from 3 to 4 using the steps you listed. Worked flawlessly. Thanks for the tips!