ok, when you open MIRC, and it says, register,wait for the continue to be clickable. click continue. when it asks your name/nick/ect, press cancel. now there will be a blank window. type /nick (your name (example, psp_Crazy1)). so
/nick psp_crazy1
after that, type in
/server irc.kodachi.net:6667 -j #tech-forums
and it should bring you right to the tech-forums channel!