Please follow these following steps to Setup header image.
- Go to admin menu >> appearance >> customizer
- Go to header image >> add new image
- Select image either from Media library or Upload new image and insert it.
- Predefined crop size is available to crop the selected image so that your selected image will be of same size as shown in Demo. Please do crop the image of your size and press “Crop image”. You can change the crop size as well of your requirement.
- For shifting site title down from its current location Go to admin menu >> appearance >> customizer >> theme options >> general layout. Assign a number at “Site title Top spacing” which allow to add space above the site title. This is available in Pro version only.