http://www.hydrairc.com/download.php?file=HydraIRC.exeOn the menu at the top (file, edit, view, etc) find and click options, then prefs...
A window pops up. You should be on the user identities section. Press the "new" button.
Fill in the blanks with whatever you want. Note that you need to press the add button for the nick.
Press ok, and ok again to exit out of preferences.
On the top menu, click File, then new server.
A window should pop up. On it, find URI, it should have "IRC://" already written.
In that section, write in "IRC://irc.efnet.net". Press the ok button.
A window should pop up once you are connected. Just close it.
On the server. Write "/join #MBAC" then press enter.
You're in.