Layered Pop is a free WordPress plugin to add multi-layered popup window on wordpress site.
Unique multi-layers popup window.
Add custom transitions/animations for each layer.
Show popup window on page load or on click event.
To install Layered Pop
Login to wordpress (wp-admin).
In your admin dashboard click plugins and select Add New.
Type Layered Pop in the search field and click Search Plugins button.
Install Layered Pop.
After the successfully Installation click the activate Plugin link to activate the plugin.
Download Layered Pop wordpress plugin. Download link
Unzip and upload it to your WordPress wp-content/plugins directory.
Login to wp-admin. In your admin dashboard click plugins and activate the Layered Pop wordpress plugin.