Multiple login in Yahoo Messenger from same Computer

Steps for multiple login :

For Yahoo! Messenger with Voice 8 users, it’s now possible to run multiple instances of Yahoo! Messengers (polygamy feature) and log into multiple Y!Msgr accounts with just a simple registry hack. So if you need to open and log-in multiple Yahoo! Messenger accounts as you have a few Yahoo! ID or various other reason, just use the small registry registration file below that once click, will modify and merge the registry setting required to run and execute multiple Yahoo! Messengers at the same time on a computer.


Download ym8multi.zip, extract it and run “ym8multi.reg” contained inside the archive. Once the registry is patched, you can now starting and running multi Yahoo! Messenger with different login or Yahoo! ID accounts. If you want to uninstall the patch/hack, download the ym8multi_uninst.zip uninstaller which contains ym8multi_uninst.reg. Once double click on this uninstaller registration registry value file, it will edit the registry value and set it to disable the ability for Y!M 8 to launch multiple copy of instances.

• First of all close Yahoo Messenger, if it's open. 
• Go to Start > Run > Type regedit > Click OK
• Go to HKEY_CURRENT_USER > Software > Yahoo > pager > Test
• On the right pane, right-click and choose new Dword value
• Rename it as Plural
• Double click and assign a decimal value of 1
• Now close registry
• Start Yahoo Messenger and login with Yahoo ID.
• For signing in with another Yahoo ID, open another messenger and login

You can directly download this file multiple yahoo login.reg , just double click it and click Yes. But before this close Yahoo Messenger. All your work is done. Now, start Yahoo Messenger as many time as you can and login with different Yahoo ID's.