The proven solution to securely obliterate hard disks.
Getting rid of an old PC, upgrading to a new hard drive, returning a leased computer, or redeploying a PC within your company? It is truly imperative to completely destroy all data from the old hard disk.
 

Features and Benefits
Microsoft Vista Support — Support for Microsoft's latest and most robust operating system to date.
Securely deletes all the data and partitions on a hard disk.
Full review of the results of hard disk wiping through built-in DiskViewer utility.
Extremely easy to use Windows XP-like wizard-driven interface.