Thanks for responding. See https://www.yourarlington.com/ and look for the subscription button under the site flag just below the top.
I have V. 7.8.0 installed, and none later appears to be available to me). I have followed these instructions, but when I try to add a new user, I'm told no Captcha is installed. I did save it in the config, but no captcha option boix shows. What should I do? Thanks. Bob Sprague