BeTheme - Muffin Group - header image

How can the header image be changed, i.e. 3 or 4 images, 30 sec. per image ?
Thank you.

Just head over to the support tab on the item you bought, the author provides support for the item - [https://themeforest.net/item/betheme-responsive-multipurpose-wordpress-theme/7758048/support] (https://themeforest.net/item/betheme-responsive-multipurpose-wordpress-theme/7758048/support)