Shop settings page and it doesn't work, then you may not have set up Facebook Connect. Setting up Facebook Connect provides a secure connection between your shop and Facebook.
To set up Facebook Connect follow the instructions below:
- Click on People (toolbar) > Settings (tab)
- At the bottom of the page look for "Link your page to Facebook"
- Click on "Fix"
- Now select the first option (visit the Facebook Application creation page)
- Select "Create new App"
- Login to your Facebook account and select "Allow"
- Register your website
- Confirm your action by following the security check
- Click on the first option (Website)
- Now enter full url of what you have chosen as your 'Preferred site address' e.g. http://www.yoursiteaddress.com
- Follow the onscreen instructions