Tricks to Multiple Login to Yahoo

 Here are some of the simple tricks to multiple login to Yahoo without using any software:                 

• Go to Start ----> Run. Type regedit without the quote, and then enter.
• Navigate to HKEY_CURRENT_USER --------> Software --->Yahoo ----->Pager---->Test
• Right-click the Test and choose new Dword value
• Rename it as Plural on right page
• Double click on it, select decimal and write 1 in the value box

Now close registry and restart yahoo messenger and try multiple login.