You can download it at this url : http://xchat.org/download.html.
The Windows release provided by the xchat.org website is now a shareware. Use one of the releases listed on XChatData.
The lastest xchat version is present into the Debian unstable release
Install the xchat package :
$> sudo apt-get install xchat
You can't make more simple
Download the lastest rpm binary release Fed : http://www.xchat.org/files/binary/rpm/
And install it :
$> sudo rpm -Uvh xchat-*.rpm
Update your portage tree:
$> sudo emerge --sync
And install it :
$> sudo emerge -av xchat
Download the lastest windows binary release : http://www.silverex.info/download/
The XChat binary win32 will provide a classic installation wizard. By using the default wizard settings, you will obtain a nice XChat icon into your desktop.
If you want to access to the Tryphon IRC server, follow this procedure.
XChat > Server List (Ctrl+S) menu to obtain the same window. irc.tryphon.org/6667UTF-8For an another IRC network, check if it is included in the default list. If not, create it with the same procedure, choose the right hostname and port number. Note that most of the time, SSL isn't used.
Primary, see the xchat related documentation page.
You can change your XChat charset with the undocumented command /charset :
/charset UTF8