Access hidden user library files | Mac OS 10.7 Lion

Method 1

1. In the Finder, choose Go > Go To Folder.

2. In the Go To Folder dialog, type ~/Library

3. Click Go.

To
the topMethod 2

Hold down the Alt (Option) key when using the Go menu. The user library folder is listed below the current users home directory

To
the top Method 3

The following method makes the user library folder permanently visible. 

Note: Adobe
recommends that only advanced users use this method.

1. Launch Terminal from Mac HD > Applications > Utilities.

2. From within Terminal type the following command and press Return:
   
   chflags
   nohidden ~/Library

3. Enter system administrator password if prompted and press Return:

Note: The System
administrator password is not visible as you type it.