Video Thumbnail

Step 1 - Navigate to Products → All Products in the WordPress admin and select a product from the list that you need config this feature.
Step 2 - Product data → Additional → Product Video Link
Input the Youtube video link here:
Step 3 - Click Update 
Please follow the steps below to get the exact Youtube link:
Right-click on the youtube video:
Open the browser, create a new tab and paste this link
Get the link in this format: https://www.youtube.com/watch?v=oGcOctoLbOk​
Product 360° Viewer