There are many reasons why you would want to download and use Eraser!

To remove sensitive data you wouldn’t want seen, or if you’re selling your computer, or recycling. Before you get rid of your data drives, you should for FREE, download from CNET Download Eraser. This program allows you to overwrite any files and they can not be recovered!

CNET’s Description:
“Eraser is an advanced security tool for Windows that allows you to completely remove sensitive data from your hard drive by overwriting it several times with carefully selected patterns. The patterns used for overwriting are based on Peter Guttmann’s paper Secure Deletion of Data from Magnetic and Solid-State Memory and are selected to effectively remove magnetic remnants from the hard drive.
Other methods include the one defined in the National Industrial Security Program Operating Manual of the U.S. Department of Defense, and overwriting with pseudorandom data. You can also define your own overwriting methods.”