Posted: May 14th, 2018
We are assuming you are already logged into your Joomla Admin Panel.
1) Click Site.
KEK
2) Then Global Configuration.
3) Go to the System settings.
KEK
Scroll down.
4) Next to Allow User Registration, click No.
KEK
Users will now be unable to register a new account for your Joomla site.
At this point, you can also choose the default group that will be applied to new users upon registration and set whether users have to activate their new account through email before they can log in.
Scroll up.
5) Click Save.
KEK