This is the Main Interface window of Bitraser for File Mac.
Click on Setting icon available on the main screen, for selecting Erase algorithm for secure deletion.
Select Files & Folders which need to be deleted.
After Selecting the files Click on Erase Button to permanently delete them.
Select Traces option from the Main Interface window. Click Next. (A window displays with a list of supported web browsers, instant messengers, recent file history, application traces, and system logs available on the computer is displayed as shown below)
Select Unused Space option from the Main Interface window. Click Next. (A window with list of volumes on the computer is displayed. Select a volume from which unused space needs to be erased. Click Erase.)