WordPress.org

1. Unzip into your /wp-content/plugins/ directory. Make sure the files are inside the tgfi-seo/ folder.
2. Activate the plugin through the Wordpress 'Plugins' menu
3. Visit (Settings - TGFI.net SEO) for Wordpress 2.7
4. That's it!

Use the built-in one-click updater (Options - TGFI.net SEO) or follow the installation steps for manual updates.