To change header image on default home page, you have to go to Dashboard >> Sliders >> Click on Add New button
1. Add the slider name.
2. Add the featured image as a slider & click on publish button
To Change Header Image in Innerpages: You have to go to >> Dashboard >> Pages >> Click on “Add New” Button
1. Add page Title and select featured image for that page which is at right corner at bottom of page.
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