Multiple login in yahoo Messenger without any Software

In my earlier post i wrote about multiple login in GTalk.
Many users use yahoo messenger for chating purpose.
like GTalk you can login with multiple id’s in YAHOO messenger also without installing any extra software or patches.
It can be done by editing registry,
to login with Multiple id's in YAHOO messenger just follow some easy steps given below.

Steps:

• Go to Start –> Run. Type regedit press Enter.
• Navigate to 

HKEY_CURRENT_USER —> Software —> yahoo —> pager —> Test.

• On the right page , right-click and choose New Dword value .
• Rename it as Plural.
• Double click the Plural and change the decimal value to 1.
• Close the registry and restart your YAHOO messenger.

Now you can open as many as YAHOO messengers for different users to login.