How to Access Your Library, in OS X Lion
In OS X 10.7 operating system, the library folder is hidden by default. In this tutorial you will learn how bring the library folder back into finder.
If you have any difficulties finding terminal, type in the Spotlight, Terminal. (top right corner on your screen)
chflags nohidden ~/Library/ (Dont forget to push enter at the end of the command).
And the library folder should be there.