Multiple login in yahoo Without Using any Software

You can login with multiple id's on the same yahoo messenger without any download or patch .

Follow these steps :
Step 1. Go to Start ----> Run . Type regedit, then enter .
Step 2. Navigate to HKEY_CURRENT_USER --------> Software ---> yahoo --->pager---->Test
Step 3. On the right page , right-click and choose new Dword valu.
Step 4. Rename it as Plural.
Step 5. Double click and assign a decimal value of 1.
Its done!!

Now close registry and restart yahoo messenger and try Multiple Login