Every cool kid and some of the respectable adults have been using an instant messaging service to chat with their friends and colleagues for quite some time.

It is the simplest mean of online communication that we have at our fingertips in the present.

But issues may occur the moment you share a computer with other people, and all of you want to chat on an Instant Messenger.

Whether several people are looking to log into Messenger at the same time, or if you have multiple accounts (one for friends, one for work etc), you need a software that allows you to run multiple instances.

Yahoo has Yahoo Multi Messenger, and in the case of MSN Messenger, you can use MSN Messenger Polygamy.

This free software is actually a patch that enables the currently installed MSN Messenger to allow multiple instances.

So, you and your friends are free to simultaneously run MSN Messenger from the same computer, at the same time.

Installation is extremely simple. You just have to run the executable file, and then click the Patch button.

Just bare in mind the fact that sometimes crashes may occur with your MSN Messenger, because multiple instances on the same chat server are seen as"unnatural" by the computer. But it should generally work well.

All in all, use MSN Messenger Polygamy and you won't have to sign out and sign in again, every time you wish to switch accounts.