You have to be 9 years old for MSN Messenger according to wikkianswers
# threr is no age limit
MSN Messenger for Macs can be downloaded from Microsoft's MSN Messenger for Macs page (See links below).
The same age as for Msn Messenger or Myspace!
MSN Installer installed MSN Messenger, which is a very outdated version of the Windows Live Messenger product.
Microsoft's Messenger for Macs (See links below) is quite like MSN Messenger.
Windows Messenger was created by MSN in 1999. It was then the competitor of AOL Instant Messenger. It was later known as MSN Messenger.
You can use the MSN service on your mobile by going to the MSN messenger website, and you will be redirected to the mobile version. Alternatively, you can download an MSN app such as Microsoft's 'Messenger' app.
http://en.softonic.com/s/download-msn-messenger-8.5
press the "post note " hyperlink on the bottom of your msn messenger
One can download MSN Messenger 2008 from the following sources: Softonic, Windows Live Messenger -8, Old Version, Brothersoft, Super Downloads, Best Freeware Download, to name a few.
One can get MSN Messenger for Blackberry by going to the blackberry app world website on the phone or application, searching for the MSN Messenger application and download for free.