Uploading videos to your EWS site it's easy, just follow the next instructions to get it done:
Prior to taking these steps on your EWS Backoffice, upload your video to youtube.com
Sign in to your Backoffice at https://www.enagicwebsystem.com/backoffice.php
From the left side menu, click on Settings > Websites > Video List.
Copy the URL of the video you want to upload to your site from your post on youtube.com
Paste it on the Youtube Link / URL box and click on “Add video to your list".
You can also disable the default videos you can see on your EWS website by clicking on the red X right next to them or on the plus sign to re-enable them.