it is a irc CLient irc stands for internet relay chat it been aorund for ever useally used by techniation of a lan server or underground movie and software grps
but its fairly ez to set up if u wanna download it go to
www.mirc.com
and download it its really ez to set up there is like 2 ways to connect to a server one u can add the server to ur server list or type the connection sting (command) in your chat bar
the connection string goes ass follows
/server irc.wowirc.come
and to enter the channel after u connected u would type
/join #mmowned
in the chat bar after u have connected or u could go to the channel list and type in just
mmowned
and there u go u have connected to the server and channel if u need any more help let me know i use irc or mirc u can say alot