First, to add the image in question:
- Go to your WordPress Dashboard.
- Click on Media > Add New
- Drop files to upload or select the files
- Click on Save.
Then, edit the Home Page slider
- Go to the Home Page
- Click on Enable Visual Builder on top of the page.
Edit the slider Module
- Click on the gear in the gray box
- Click on the gear at the left of New Slide
- The content box will open, you’ll be able to edit the title and the background photo
- Click on Check. Always save!
5. Click on the “…” in the purple circle, then Save
6. Exit visual builder.