This video tutorial shows you how to securely empty your trash in Mac OS X. 1. Click on the top Menu on your desktop. 2. From the drop down menu, choose "Secure Empty Trash". 3. You will be then be prompted with a messaging stating items will be permanently erased from your computer. If you wish to continue click the "Secure Empty Trash". 4. Depending on the amount of files, the process may take a few seconds to a few minutes.