Use Remo Shredder for a SECURE way to WIPE files permanently, Think you deleted that file or folder? Think again. Just getting rid of data in the recycle bin isn't always enough.When you trash a file or folder in the recycle bin, or using shift+del, Windows doesn't delete a file permanently. Instead, it marks those data blocks as safe for rewrite. The data may not be immediately accessible.
Power file shredder to eliminate confidential files, folders beyond recovery.
Wipe unused space to get rid of deleted dataSchedule shredding tasks with an inbuilt scheduler to shred files at a specified time or at the startup in Windows.Work on Microsoft Windows 7, Windows Vista, Windows XP, Windows 2003 and Windows 2008

The license of this software is Free Trial Software, the price is $49, you can free download and get a free trial.