WordPress.org

1. Backup your comments.php located in your template path (e.g. wp-content/themes/THEME)
2. Unzip Plugin
3. Copy complete yawasp-folder to wp-content/plugins
4. Activate plugin
5. Go to settings -> Yawasp in you WP-Admin
6. Try to automaticly change your comments.php
7. If 6. does not work, change your comments.php manualy by following the instructions on the Yawasp Homepage:

• Yawasp Homepage English
• Yawasp Homepage Deutsch

Done!

Note: You might want to remove (automatic or manual) the changes in comments.php after deactivation, but comments will work even if you dont and Yawasp is deactivated.