Hello Darul Muqarrabin Malaysia,
Thank you for using our theme and for reaching out to us.
We apologize for any inconvenience caused, however, we have created a video tutorial on our test site to help you change the pop-up image. Please watch the video in its entirety and follow the steps shown.https://www.veed.io/view/01bacf09-e1b3-44c3-a2fa-72f1d754892a?sharingWidget=true&panel=share
We hope this helps!
Best Regards, 8Theme’s Team
