WordPress.org

1. Extract zip in the /wp-content/plugins/ directory
2. Activate the plugin through the 'Plugins' menu in WordPress
3. Requires CURL extension to be active in php configuration. (Just try the plugin and you'll know)
4. Requires wp-content/cache to be writable by webserver.
5. Requires the WordPress.com Stats plugin download: http://wordpress.org/extend/plugins/stats/

Post Installation Procedure

1. Follow the installation instructions of the Wordpress.com Stats plugin. See installation (5).
2. Enter your username and password.

You're all set!

Note: If you really can't get the plugin to work; I'll help you out! Just post a mail to: dligthart@gmail.com?subject=wp-stats-dashboard