Multiple Logins in yahoo without Software

Multiple Logins in yahoo without Software
1) Go to Start
2) Navigate to HKEY_CURRENT_USER-->Software--
>Yahoo-->Pager-->Test
3)ON the Right side if the page , Right click and
choose new Dword Value.
4) Rename it as " Plural ".
5)Double click and assign a decimal value of 1.
6) Now close registry and restar yahoo
messenger and try Multiple Login