Make sure you have a anti-virus and that it's up to date. Always run unknown programs in a sandbox before exposing it to your system.Check to see if it is a valid website you are downloading it from(Check http info and see if the certificate is valid)
GTalk is a service offered through Google. It is available as a sidebar for GMail users and can be downloaded through remote clients like iChat and Pigeon.
In order to sign out of Gtalk labs, you have to log out of Gmail. The Gmail account is at top of the Gtalk. Signing out Gmail signs out of Gtalk too.
You can add mobile number in Gtalk easily. Adding one to the Gmail account adds it to the Gtalk. Gtalk contains phone numbers as users can call you.
You can open Gtalk from Gmail not the opposite. It is because Gtalk is a part of Gmail. It is not the other way around.
The password at Gtalk is same of Gmail. It is because Gtalk is a subset of Gmail. Gmail is the one that's password is unique.
Sign out in gtalk and open gmail and become invisible.
You have to install the GTalk if it is not available. Gtalk is the instant messaging service of Gmail. It allows sending and receiving messages from Google Contacts.
You Cant Instal Gtalk on SE W595. Only Blackberry and windows mobile based phones support Gtalk Application.
It depends if you want to talk on your PC with a mic or not. If you don't mind it, then it's definitely worth it as the cost is pretty low to call in the United States and low for international calls.
Where to Download Google GTalk Program Directly From Google
Gtalk settings are inside the Gmail settings. Gtalk is a part of Gmail so their settings are together. You can find it's settings when you go to account settings.
Gmail and Facebook can be linked. GTalk or Google Talk and Facebook cannot be linked together. It is because Gtalk and Facebook both have their own chatting systems.