Download Gtalk for Chrome
Gtalk for Chrome is the Google Chrome extension that adds a button to the toolstrip of your browser that will let you chat with your friends. This extension opens a new small window which asks you to write your Google account username and password then you can start chatting immediately. It has the advantage of not requiring the Gtalk Messenger installation, you just download this add-on and start chatting while you are surfing the net, no matter what website you are visiting. It also guarantees it is secure and safe as it uses Google Gadgets. Download this free tool from this site.