You can read the below documentation to get an insight into how you can use the WCF Search Form widget:
Step – 1:
From the Elementor panel, drag the “WCF Search Form” widget to a container on your page.
Step – 2:
Under the “Content” section, choose a preset from the drop-down list located next to the “Preset” option. Then write the button text and upload an icon.
Step – 3:
From the “Style” section, customize the style for “Input” and “Search Icon/Text.”.