Check this video: https://www.loom.com/share/ffa4938e230b410f81bcee3d6ef8fd29
Check this video: https://www.loom.com/share/f72e05508c1e43388f66bc7292d85b45
simple-slider in the page content.
In this case, it's using the slider with key
home-slider-1. You can find it in Admin -> Simple Sliders.
You can modify Home Slider 1 or change the key of shortcode to use other sliders.
Check this video: https://www.loom.com/share/56fee46c89ef4ac2b89ab66c34779a15