Dan, try Googling. The first hit I came across was Eraser at :-
http://www.heidi.ie/eraser/download.php

Never tried it so don't know how effective it is - but it is FREE

Mart


"Dapper Dan" wrote in message
...
In preparation of donating an old computer, I'm interested in permanently
wiping free disk space. Any recommendations for a good free utility that
not only shreds files but also wipes available free space.

Thanks in advance and Happy Easter.

Dan