By using this module you can know your customer's need for every particular products.
Installation is as simple as it can be, just open this, find that, after that add this, and it's done. No files are overwritten, no complicated database queries, no trouble at all.
1.Extract the folder.
2.Copy and paste the xml file to specific folder(vqmod\xml).
3.extract the db files.
4.import it in phpmyadmin to your database.
5.Done Enjoy !!!!!!!!!!!!!
It will work in default opencart theme.
if you want this extension to work in your customized theme means mail to me email@example.com