The ways in which people communicate and work is completely different between the past and the present. We are living in the age of information technology so computer plays a crucial role in most of our activities including entertainment, communication and work. Then, if your computer is installed with the poor operating system, that is just a waste of time, money and energy. Now I am going to show you in this video the 10 worst computer operating system that we should not install in our computers. Watch now to avoid these worst systems and don’t forget to share it to your friends.