MSN Messenger Polygamy - Version 5 Use multiple copies of MSN Messenger.Polygamy make possible use multiple instances of msn messenger at the same time and allowing you to use multiple accounts at once.It working with all versions of MSN MessengerCopy Polygamy to messenger file location, example @ C:Program FilesMessengermsmsgs.exeThen Exit The Messenger Program.Then Launch Polygamy and Click Apply patch.