How to Shred Files
Step 2. Specify Item for Deletion
There are 3 options for deletion: File, Folder & Recycle Bin. Click "File" to delete files.
Step 3. Choose File to Delete
Click "Next" and then click "Add..." to choose more files to shred. Click "Remove" or "Clear" to remove one or all selected files from the list.
Step 4. Select Deletion Method
You need to select the deletion method from the 3 options: Quick delete, Secure delete, Secure delete and Gutmann method. The deletion times can be customized by adjusting the number in the box. When all settings are done, click "Next" to start deletion.