Instead of the classical CAPTCHAs, a video is played displaying the desired codes used for authentication.
Unpack and upload it to the /wp-content/plugins/ directory.
Activate the plugin through the 'Plugins' menu in WordPress.
Also get NuCaptcha for:
Here are some key features of "NuCaptcha WordPress Plugin":
- High quality video NuCaptchas
- Enhanced security
- Greater usability for users
- Better conversions
- Updated NuCaptcha Client library to 1.0.13738.