How can I add a YouTube video to a product description?

To embed a YouTube video in a product description:

1. Go to Products > Products / Sku variations.
2. Open/edit the product by clicking on it.
3. Click Html description on the left access menu.
4. Place the cursor to where you want to insert the video, then click on the YouTube icon.
    
5. Paste the URL of the YouTube video into the field accordingly.
    
6. Click OK.

If you have a WooCommerce integration and want YouTube videos to appear (or not appear) in the product description on your B2B e-commerce site:

1. Go to My account > Integrations > WooCommerce.
2. Click Settings on the left access menu.
3. Click the toggle labelled "Allow Youtube video in product description" to turn it on/off.