Normally people think when we handle computer we need to have some technical knowledge only after learning technical we can use the computer. To learn we need to be good in handling the mouse, once we are able to control mouse we would be able to locate the things with the help of curser when the curser is moving based on our command our learning is over. We have many things to learn in deep if we need to work for software industries. But for using commuter very minimum knowledge would do. With that we can chat with our friends and family members all the time and we can learn anything from other world people. When we have knowledge we can teach other from our computer for that thing not big computer knowledge is required. Once we are used to handle the computer, without a computer we would not able to prolong the day. In such conditions the virus could attract and we may not be able to use at once stage of our routine life without computer we would feel uncomfortable and we would regret for not knowing technical knowledge. But for installing spyware doctor no technical knowledge is necessary and anyone can get the installation and have their computer.