Open many Gtalk on a single PC

(1). Download  Gtalk from Google.

(2). Run setup and Install it.

(3). Then Right click on the desktop and make a shortcut.

(4). Then a window will appear and in the Browse set the path of Gtalk like

("C:\programfiles\google\Google Talk\gtalk.exe")

(5). After the path in the Browse give a space and write   /nomutex 

("C:\programfiles\google\Google Talk\gtalk.exe" /nomutex)

(6). Then click on the Next Button and give name googletalk.exe and click on finish.

(7). Now whenever you will click on shortcut every time a new gtalk will open.