--- sidebar_navigation: title: reCAPTCHA priority: 600 description: configure reCAPTCHA for OpenProject. robots: index, follow keywords: reCAPTCHA --- # reCAPTCHA configuration To activate and **configure reCAPTCHA** for OpenProject, navigate to -> *Administration* -> *Authentication* and choose -> reCAPTCHA. If enabled, a captcha form will be rendered upon login for all users that have not verified a captcha yet. Please see the following link for more details on reCAPTCHA and their versions, and how to create the website and secret keys: https://www.google.com/recaptcha. You can configure the following options: 1. Activate reCAPTCHA for OpenProject. You can choose between reCAPTCHA v2 and reCAPTCHA v3. 2. Insert the **website key**. 3. Insert the **secret key**. 4. Press the blue **Apply** button to save your changes. ![Sys-admin-authentication-recaptcha](Sys-admin-authentication-recaptcha.png)