Enabling Facebook 
Create new application on facebook.com (Required for each vB installation)

1. Goto: http://developers.facebook.com/apps, and login
2. Click “Create New App” (top-right)
3. Enter an appropriate App Name, click “Continue”
4. Do their Security Check, click “Submit”
5. On the page that comes up, click “Web Site” from the list on the bottom
6. In the “Site URL” input, enter the URL of the forum root for your vB installation. This should be exactly the same as your Forum URL setting in the Admin CP.
7. Click “Save Changes”
8. Make a note of the “Application ID,” and “Application Secret,” we will need these later.

Enable Facebook Connect on your vB installation

1. Goto your vB site, and login to the admincp
2. Goto “Settings”->”Options”->”Facebook Options” and click “Edit Settings"
3. Check “Yes” for “Enable Facebook Connect”
4. Enter “Application ID” and “Facebook Secret” from the Facebook Developer page
5. Click “Save”
6. Facebook should now be enabled and working
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