Save the file in a location on your hard drive where you will find it easily.
Unzip the downloaded package, post-rich-videos-and-photos-galleries.zip.
Locate the post-rich-videos-and-photos-galleries folder and copy it into the `wp-content/plugins/` directory.
Log into your WordPress administration panel on the internet.
Activate the plugin (named 'WordPress Cincopa Plugin') through the ‘Plugins’ menu in WordPress (if you are upgrading from an earlier version, make sure to de-activate and re-activate the plugin so that all options are updated).
Go to your post / page and click on the C icon. The Cincopa Welcome page will open in a pop-up window.