1. On YouTube, go to the video you wish to embed.
2. Click Share, then Embed.
3. Choose your settings, then copy the HTML code.
4. In your Bigcommerce control panel, open the page, product, or category you'd like to add the video to.
5. In the Page Content or Product Description editor, click the HTML icon in the toolbar.
6. Paste the code, then add ?rel=0&autoplay=1 to the code. See the example below.
Before
<iframe width="640" height="360" src="[YouTube Video URL]" frameborder="0" allowfullscreen></iframe>
After
<iframe width="640" height="360" src="[YouTube Video URL]?rel=0&autoplay=1" frameborder="0" allowfullscreen></iframe>
7. Select Update.
8. Save your changes before exiting.