The Pro version of plugin will help you increase Google presence of your site drastically.
Visitors will be able to download file only if they like the content on
Google.So offer ebooks,software or any file you think to visitors if they spread your content or like you on Google.
Increase your Google brand value with
Google Plus to download pro plugin
https://www.youtube.com/watch?v=oEDdErqDZ3M
Other Content locker plugins
Facebook like to download
Twitter Tweet Follow to download
YouTube Subscribe to download
The plugin can be installed like any other plugin.You can search from WordPress Dashboard (Udinra Image Sitemap) and click install to install it.You can also download it and upload it to your server wp-content/plugins directory and extract the zip file.
1.0
Initial Version.