Installing Maps on Mac OS Lion

So I can’t figure out how to install on Mac OS Lion because in the older versions I was able to get to application support I don’t know how to get there now. Help +(

[editline]11th February 2012[/editline]

Nevermind I figured it out, the library folder is hidden by default just type this in your terminal
chflags nohidden /users/Userhere/library