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We need API key to install such captcha, therefore we go to https://www.google.com/recaptcha/admin. You should be registered in Google to get access to this page.You will be prompted to register your site and enter a list of domains where this particular reCAPTCHA will be used. Subdomains are automatically counted.
Note! We support only reCAPTCHA v2 (version 2) or more earlier versions. We don't support new versions.
You will get website key and partner secret key after that:
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