How do i make a chat roomYou install it just like any other add-on. Upload the contents of the "upload" directory on your server to the corresponding directories.
Contents of "data" to "data" on the server.
Contents of "js" to "js" on the server, etc.
Once you have done that, go to Add-ons section in ACP to run the install.
After installation, just set the user group permissions and you are done.