Dear Mohamed Yacoubi :
Note that you need to increase your display resolution. Right click on an empty part of your computer screen and select Properties from the pop-up menu. Then, select Settings from the Display Properties dialog box. Then, increase your screen resolution to at least 1024 x 768.
If you have any additional questions or need any further information, please contact me again.
Sincerely,
Chris E. Maeder, M.S.
Senior Technical Engineer
chris.maeder@bossintl.com