To use this utility, you need to run it using command lines. If you are not familar with running programs using command line, you may refer here: http://www.wikihow.com/Run-a-Program-on-Command-Prompt.
The command line usage is as follows:
SecureShredder (option) (filenames / foldernames)
Options:
-help Displays this help. (duh)
(no option stated) or -shred Zero Data 1 Pass
-bhmg British HMG IS5-Baseline 1 Pass
-rgost Russian GOST P50739-95 2 Passes
-bhmg3 British HMG IS5-Enhanced 3 Passes
-usdod US DoD 5220.22-M / Canadian RCMP DSX 3 Passes
-gvistr German VSITR 7 Passes
-bs Bruce Schneier's 7 Passes
-crcmp Canadian RCMP TSSIT OPS-II 7 Passes
-pg Peter Gutmann 35 Passes
File names:
You can specify file names using their file path. For example, you have a "hello.png" file in your desktop, the path to file may be: C:\Users\Admin\Desktop\hello.png.
Examples:
SecureShredder C:\Test
-> C:\Test is a folder in my local disk C. The program then shreds the contents using Zero Data 1 Pass algorithm.
SecureShredder -pg C:\Test*.png
-> The program shreds all files with .png file extension found in the folder C:\Test using Peter Gutmann Method.