**
  These are only for OS X 10.4.  They will not work on OS X 10.3. 
**

1) Download the file here to your Desktop (or wherever -- put it 
   in a directory with no spaces in it):

   http://sage.math.washington.edu/SAGEbin/apple_osx/intel/

2) Double click on it. 
3) Once it extracts double click on the "sage" icon.
4) Select to run it with "Terminal":
     Choose Applications, then select "All Applications" in the
     "Enable:" drop down.  Change the "Applications" drop down
     to "Utilities".  On the left, scroll and select "Terminal".
     Click "Open", then in the next dialog select "Update". 

5) SAGE should pop up in a window.

6) For the graphical notebook, type
     notebook()
   and follow the directions, which are to open firefox or safari (your choice)
   to the URL
       http://localhost:8000

-- William