- Download and extract top-contributors.zip file.
- Upload the folder containing the Plugin files to your WordPress Plugins folder (usually ../wp-content/plugins/ folder).
- Activate the Plugin via the 'Plugins' menu in WordPress.
- Go to "Settings > Top Contributors" page to set your options and add the widget.
If you're upgrading from a previous version, make sure to back up any customizations to "top-contributors/css/tooltip.css" file to prevent loss of custom formatting.