The extensions introduced by DPP++ doesn't appear, why ?

Check the following points

1. If you use 2 screens, DPP must be in the main screen else DPP++ extensions will not appear.
2. In the preferences menu of DPP, put the tool palette in docking mode else DPP++ extensions will not appear.
3. Use the edit image window to edit your images else DPP++ extensions will not appear (when you are in the main window, select your pics and then use CTRL + –> )
4. Clic on the program icon in the notification area (bottom right of the screen).