Installing Facebook Page Promoter Lightbox for PHP
Click download and remember where you save it. After that it is required to unzip the file and upload it to the root of your website. You can do this with your favorite FTP editor or via the file manager at your control panel. Make sure that all the files reside in a sub directory called ffpl-js. So if your website is http://example.com/, the files should be accessible at http://example.com/ffpl-js/ We use the FireFTP extension:
Last but not least, use the supplied tool to generate the code needed based on the configuration you want. Paste the code after the <head>-tag and you’re done.