lost my messenger

[bob and anne]

how do i get my messenger back

 

[jemm]

You might be able to download it once again, then insert your username, and password to use it.

 

[Alabalcho]

If you are talking about Windows Live Messenger (aka MSN) - it is being discontinued, and folded into Skype. So - download Skype, and log-in using your MSN username/password.