This extension add Youtube video tab to product page.
You can add/edit Youtube video => go to your admin panel and Edit/Add some product you will see a new tab "Youtube Product".
Just add a youtube url(s) to the text area e.g.
You should use Arastta Marketplace one click install or download this site and you should you Arastta Extension Installer page upload zip file
Question : Does this extension multi language?
Answerd: Yes, you can use multilanguage diffrent name, description, video