@uv

    The simplest method to assign short cut key to open programs or folders.
        1. Create a shortcut of the application or program in the Desktop
        2. Right click on the shortcut and select "Properties"
        3. Under Properties Window, Under "short cut" tab, assign a key in "Short Cut Key" field.
        4. Normally it will be "None". By assigning any key, that will be assign as "Alt+Ctr+Key"
        5. Enjoy your time by opening programs...

    Next method is to download and install WinHotKey application.
        By this application you can easily assign shortcut key to Launch any application, Open a Document or Folder, to type some text or control the current window. This software is a very low size program and you will find it easy to use the computer with these short cut keys. Simply enjoy your time.