WordPress.org

(WordPress 2.5 and above)

1. Unzip to get the topcommentators_widget.php file.
2. Upload the file into the wp-content/plugins folder.
3. In your WP admin console, go to Plugins and activate Top Commentators Widget.
4. Drag the Top Commentators to wherever you want it to be, and click the Save Changes button if you want to stick to the default values.
5. You're done!

(WordPress 2.3.3 and lower)

1. Unzip to get the topcommentators_widget.php file.
2. Upload the file into the wp-content/plugins folder.
3. In your WP admin console, go to Plugins and activate Top Commentators Widget.
4. In your WP admin console, go to Presentation | Widgets (for WordPress 2.2 and later) or Presentation | Sidebar Widgets (for older WordPress versions), and drag the Top Commentators widget to wherever you want it to be, and click the Save Changes button.
5. Nah, that's it! Remember to read the FAQ to see what options you can play around in the Top Commentators Widget.