1) The easiest method for most. Click here if you don't have an IRC client (mIRC, Icechat etc). You can use the Java applet (you need to have Sun's Java installed).
2) If you are familiar with IRC, and have a client installed:
Server: irc.geekshed.net
Channel: #geekstogo
3) Download mIRC from here http://www.mirc.com/get.html and install it by following onscreen instructions. Then open mIRC by going to Start > Programs > mIRC click mIRC.
With mIRC open just click contiue. Then you will get a box like (enter your own information).

Enter the infomation needed. Then click ok Then go to Tools options. click servers

Click add and enter the infomation as shown in this picture

Then click add, Then click ok.
Then click Tools > options again then click connect to server
You will then get a box like

Type #geekstogo then click join

Then you are ready to chat!