Hello

Thank you for your query. Could you kindly specify a bit more, please?

Yes... is very simple... in your page... or you know where I acn download any extension or tool to install in my site and my user can send to me support tickets ... or where I can get these cain extension?...

Hello

You can look for a suitable extension in JED, you will find good extensions there:

https://extensions.joomla.org/

Thanks....