Microsoft is killing Windows Live Messenger formerly MSN Messenger. MSN Messenger was launched in 1999 and switched off for most users in 2013.
msn-messenger
In 2012 Microsoft first announced its closing Windows live and pushing users to Skype. But the service is struck in China, now users from China be transferred to Skype by 31 October.

BBC’s Dave Lee words about MSN Messenger.

It touched the lives of millions of teenagers who, in an age before real social networking, were just getting accustomed to what it was like to live on the internet.

MSN Messenger heralded a new era: a time when chatting up a classmate no longer meant the terrifying prospect of actually having to say something to them.

It meant no longer would young teens have to endure the torture of ringing the land line number of their newest crush – knowing there was a high probability that dad would pick up.