1. Install the extension using Joomla "Extension Manager"
2. The backend options are one by one described below:
Load jQuery: This feature is disabled by default. Only in case if your site not load jQuery you can enable this feature.
Facebook Page URL: absolute url of your facebook page.
Note: it won't work for facebook profile. You must have to create a facebook page of your business or community.
Can create from here - https://www.facebook.com/pages/create/
Show Faces: If you don't want to show the faces of people who liked your page then you can switch this option.
Show Streams: Yes - will display facebook wall feeds on your facebook likebox.
Show Header: You can hide the facebook header if you want.
Show Border: You can hide the border if you want.
Color Scheme: Two color scheme available. You can choose the one you prefer.
Panel Background Color: Use color picker to change background color.
Icon Margin Top: Top Margin from absolute position. Field- Numeric number in pixel
Align Position: Can be positioned on left or right.