At first you haven't mentioned your OS. If it is Windows (XP) then perhaps your automatic updating is not turned on or you haven't updated your PC through it recently.
If so,then you can't install the latest version of live messenger.
But you can try Version 8.1. Links are given below:
Latest Version: http://www.filehippo.com/download_msn_messenger/ Older Version : http://www.filehippo.com/download_msn_messenger/2166/
Try to update your PC with microsoft automatic updates. Then you can install any version.
Answers & Comments
At first you haven't mentioned your OS. If it is Windows (XP) then perhaps your automatic updating is not turned on or you haven't updated your PC through it recently.
If so,then you can't install the latest version of live messenger.
But you can try Version 8.1. Links are given below:
Latest Version: http://www.filehippo.com/download_msn_messenger/
Older Version : http://www.filehippo.com/download_msn_messenger/2166/
Try to update your PC with microsoft automatic updates. Then you can install any version.
I hope this will solve your problem :)
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