1. From the Customize section, go to Header..
2. From Header Options, you will see the Current Header & Colors Options sections.
- Current header: Upload your desired header image.
If the preview is fine, click on Save and Publish to apply the recently uploaded Header image.
- Background Color: This option allows to change the background color of the site.
- Text Color: This option allows to change the text color.
- Link Color: This option allows to change link color.