Your new authentication key is like this XXXXX-XXXXX-XXXXX-XXXXX (different number and letters instead of all the X's)

1. To enter it select the green N (Norman) icon in the system tray (down in the bottom right hand side of your screen by the system clock). Then select Configuration Editor.
   
2. If you have got your new authentication key by email, highlight the number above by clicking on it with the mouse (left button) at the left hand side and dragging the mouse across the text until it is all highlighted, then release the left button on the mouse and press control and the letter C at the same time.
   
3. This will copy the key to the clipboard.
   
4. Click in the white Authentication key field that you have opened (1 above) and press control and the letter V at the same time. This should enter the code into the field.
   
   or
   
   If you did not get the authentication key by email or the technique above did not function, you can simply enter the code exactly as it is by hand
   
5. Click Save, and Close.