How to sign in multiple MSN messenger Accounts?
MSN or Windows Live Messenger doesn’t give you this option. You can sign in on only 1 account at a time.
You can use add-ons or plugins for MSN. There are several patches nowadays which you can use to open several msn accounts!
Messenger Plus Live
Messenger Plus Live is a software or an add-on for Windows Live Messenger which will allow you open multiple accounts simultaneously. You can also personalize your messenger style and even add personalized status, automatic reply message and so much more!
Download:
http://en.kioskea.net/telecharger/telecharger 3347 messenger plus live
After installing Messenger Plus live:
• Click on
Plus! >
Preferences >
Customize!
• You will notice
Multiple Accounts Options
• Check >
Allow me to connect to several accounts simultaneously, click
Apply and you are done!
• Close Windows Live Messenger and Run again!
• To open a New Messenger Account just double click on Windows Live Messenger’s Icon then a new window will appear to sign in!
MSN Polygamy
MSN Polygamy was the first software to let you open multiple MSN Messenger Accounts. The installation is easy just choose the patch destination before installing:
•
C:/Program Files/Windows Live (For Version 8/8.1/8.5)
• C:/Program Files/MSN Messenger ( For Version 6 – 7.5) 
Blocked on msn messenger