Most of us have several live ID and we want to login to all these ID in the same time There are many patch or add-on That allow you to run Multiple Compies of msn.

Here is a trick to run Enable MSN Messenger Polygamy and Run Multiple Copies without installing any additional patch or add-on.

1. Start regedit
2. Navigate to HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows Live
3. Right click Messenger and create a new DWORD called MultipleInstances
4. Right click the newly added registry key and choose Modify
5. Set the Value data to 1
6. Close.