Where can download the 6.x client

Hi,I know 6.x support : 6.2.3 20886 ,but i don’t konw where can download it?Could you help? thanks!

www.battle.net

http://www.battle.net/download/getInstallerForGame?os=win&locale=enUS&version=LIVE&gameProgram=WOW

[COLOR=rgb(102,102,102)]The [COLOR=rgb(39,42,52)]www.battle.net current version is 6.3,it can work?

The client is support chinese version?