Hello Eric,
To set slider follow below steps:

Step 1. Go to Dashboard >> Slider
Step 2. Click on Add New button
Step 3. Add the slider name.
Step 4. Add the slider content.
Step 5. Add slider button link.
Step 6. Add slider button text.
Step 7. Add the featured image as a slider which is at right corner of page.
Step 8. Click on ‘update’ button at top right of page. And Enjoy the Slider.

Here is documentation link to set slider: https://luzuk.com/demo/cleaning-services/documentation/assets/images/add-new.png

Thank you.