If you want to remove a file permanently from your system, you need to delete the data physically from your hard disk.
The Bitdefender File Shredder will help you to quickly shred files or folders from your computer using the Windows contextual menu, by following these steps:
Right-click the file or folder you want to permanently delete, point to Bitdefender and select File Shredder.
A confirmation window will appear. Click Yes to start the File Shredder wizard.
Wait for Bitdefender to finish shredding the files.
The results are displayed. Click Close to exit the wizard.