How do I install ReCaptcha in the registration form?

I read this solution from the former forum, but it doesn't work for me. They ask me to install "reCAPTCHA Integrator Plugin". I did, but like it mentions in that thread, the plugin generates a conflict with the ReCaptcha in the comment forrm. I could deactivate the ReCaptcha from K2, and use the plugin both in the registration and comment form, but then EVERYONE would have to use ReCaptcha when commenting, not only guests. That doesn't work for me.

I tried to edit the code of register.php to add Recaptcha following this steps and I got it to appear in the form, but I didn't get it to work. It didn't matter what you typed in the ReCaptcha, you always got validated.

What can I do? Has anyone been able to get this working with no bugs?

THE PROBLEM IS SPAMMERS ARE CREATING ACCOUNTS IN MY SITE TO LINK PORN SITES FROM THEIR PROFILES :angry:!

It is integrated in registration form in v. 2.5

Thanks for replying so quickly! I use K2 2.4.1, and I prefer not to update it to 2.5 because I have edited so much the original code that I would loose all that I did if I update it.

But maybe the solution is in V2.5. Might it be possible to pass some snippets or files from that version to mine only to get the ReCaptcha working in the registration form?

What do you think? If so, what should I pass?

Then you should examine the form in v.2.5 and find, where to further/

I noticed this new feature a few days ago occasionally :)
And did not have time yet to look through it.