How to change testimonial video on home page?

STEP 1: Log in to the WordPress admin dashboard.

STEP 2: Go to Pages

STEP 3: Click Home page to edit.

STEP 4: Find Visual Composer Element called Video Testimonials and click the Edit icon as shown below.

STEP 5: Under Video Testimonials Settings, change Video URL.

STEP 6: Click Save Changes

STEP 7: Click Update