All you need to join the #kwag channel on freenode.net is an IRC program.
IRC Programs for Windows:
IRC Programs for OSX:
IRC Programs for Linux:
Once you have you IRC program installed all you have to do is tell it to connect to irc.freenode.net and then join the #kwag channel.
One of the best (and oldest) applications for accessing IRC is called mIRC, available at http://www.mirc.com (http://www.mirc.com/). While there are many other IRC applications available for Windows (as well as other operating systems), this tutorial will focus on mIRC, due to the popularity of both Windows and mIRC.
Download the software, and follow the instructions for installation. It's pretty much a matter of double-clicking on the app's setup icon once downloaded, and letting it do its thing. Once installed, double-click on the mIRC icon on your desktop. Click on the Continue button. This in turn will lead to a popup window called Options. (If it doesn't do this automatically, simply go to View in the toolbar, then Options. Use the slider bar on the left to scroll up to the top of the list, which says Connect.)
On the Connect screen, you need to fill in the Full Name and Email Address fields. (You can put anything here, as long as it's something.) For Nickname and Alternative, enter a name. This will be your display name once you're in a channel (IRC terminology analogous to chat room.)
Under Connect on the left-side options menu, select Servers. For IRC Network, select 'FreeNode' from the dropdown list. Allow IRC Server to remain FreeNode: Random server. Click on Connect to Server.
Upon connection to the server, mIRC will popup a window called Favorites. Here you can do two things:
Instructions for Chatzill, mIRC and IRC Resources taken from and http://codex.wordpress.org/IRC and adapted for KWAG.