WordPress.org

1. Upload geo-captcha-folder to the /wp-content/plugins/ directory
2. Activate the plugin through the 'Plugins' menu in WordPress
3. Set up the whitelist in the Geo Captcha Settings

Usage

You can activate and deactivate the geocaptcha function for comments and registration in the settings. Add the country codes of the countries you don't want to insert a captcha to the whitelist in the plugins settings. Check you log and statistiks to see the countries which cause a lot of spam or who are false positivs.