Login with multiple ids at the same time in Yahoo

Open Notepad and copy the following code and save as “yahoo.reg” and close the Notepad.

Windows Registry Editor Version 5.00
[HKEY_CURRENT_USER\Software\yahoo\pager\

Test]
"Plural"=dword:00000001

Now open the “yahoo.reg” file then you get the message like >>> you want to add information in Registry?? >>>
Yes/no >>>> click on >>> Yes

Then you get the second message like >>> Information has been successfully entered into registry >>> click on >>> ok.

Open yahoo messenger and login then open yahoo messenger again you will show that there are two yahoo messengers on your screen.