OS X Visual Keyboard Instructions

1. Go to system preferences
2. Click on Language & Text (first row)
3. Click on the "Input Sources" tab
4. Click the checkbox for "Keyboard & Character Viewer"
   
5. After you enable "Keyboard & Character Viwer", a 'keyboard' icon will appear at the top right corner of your screen (next to your clock)
6. Click on that menu, and click on "Show Keyboard Viewer"