FTP the contents of the /wppgv/ directory to a new folder called /wppgv/ (in lowercase) in your WordPress plugins directory, /wordpress/wp-content/plugins/
Activate wppgv plugin through the Plugins menu in WordPress
Configure the wppgv plugin using the PhpGedView Options page
Requirements
To use the wppgv plugin, you must have Wordpress & PhpGedView installed and properly configured
Running at least Wordpress 2.6 and PhpGedView 4.1.5