How to enable the RECAPTCHA for askbot user registration page

I want to recaptcha in user registration page, so is there any options in askbot or i have to do it manually

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What version of Askbot are you using?

slelievre (2016-08-16 06:40:16 -0500) edit

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Once recaptcha is enabled via the "settings -> "keys for external services", it will show on the user registration page.

The settings page is available to the site administrators.

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