Popup contact form is a free wordpress plugin to add the popup contact form on your wordpress site.
To install Popup contact form
Login to wordpress (wp-admin).
In your admin dashboard click plugins and select Add New.
Type Popup contact form in the search field and click Search Plugins button.
Install Popup contact form.
After the successfully Installation click the activate Plugin link to activate the plugin.
Download Popup contact form 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 Popup contact form wordpress plugin