How do I update to 1.6.3?

[FrozenModerator 0]

I'm trying to join a Overpoch server and cannot connect because the server is running 1.6.3. How do I update to that? If you're wondering what launcher I'm using I'm using Play withSIX because DayZ Commander stopped working.

[FrostyKush 44]

http://forums.dayzgame.com/index.php?/topic/205145-tutorial-how-to-play-dayz-mod-with-163-of-steam-dayz-commander-and-dayz-launcher/ follow the instructions here.