How To Add New OPtions To The Right Click Of My Computer

This technique involves registry editing, so make backup of the registry..

step-1: Copy/Paste the following code in Notepad.

Windows Registry Editor Version 5.00
[HKEY_CLASSES_ROOTCLSID{20D04FE0-3AEA-1069-A2D8-08002B30309D}shellRegistry Editor] @="Name of the Application"
[HKEY_CLASSES_ROOTCLSID{20D04FE0-3AEA-1069-A2D8-08002B30309D}shellRegistry Editorcommand] @="Location Of The Application"

Step-2: Now edit the name of application and location of application.

For example for adding firefox option,
[HKEY_CLASSES_ROOTCLSID{20D04FE0-3AEA-1069-A2D8-08002B30309D}shellRegistry Editor] @="Firefox"
[HKEY_CLASSES_ROOTCLSID{20D04FE0-3AEA-1069-A2D8-08002B30309D}shellRegistry Editorcommand] @="C:\Program Files\Mozilla Firefox\firefox.exe"