This extension is not more maintained. Try to see Phoca Cart extension instead - e-commerce solution for Joomla! CMS. (See demo)
Phoca VirtueMart Category dTree Module is a Joomla! Module which displays unlimited levels of VirtueMart categories in dTree style.
- Joomla!1.7 or 2.5 (stable or any later version)
- VirtueMart 2 (or any later version).