The Before/After slider section is a section used to compare two images with a slider. Its purpose is to help customers easily see the before and after differences, showcasing details after changes.

1. Log in to your Theme editor and navigate to the page you would like to display this section.
2. You'll see a list of available sections on the left-hand side. Locate the Add section button and click on it.
3. From the list of available sections, find and select Before/after slider.