Technical Support may delivered by the different medium for example by the e-mail, by taking the remote, over the telephone or through any website.Major companies have own technical support team to assist the users for the product related problems. Technical support can be offered by different kind of technology depends on the problem scenario, for example if it is a general problem that it can be resolved over the phone or e-mail support but software related problems are generally resolved by the remote support. Many companies offer technical support at free of cost but some of them are paid. Its demand is increasing day by day in the modern times. Many companies are offering the technical support to different companies across the globe because it is not possible for every company to provide the technical support for their products.This is the first level of the technical support which is responsible for the very basic Tier I technicians are responsible for gathering user information and figure out main reason behind the user issue. s 2. Tier II : This is next higher level to Tier I which have more experienced and knowledgeable technicians as compared to Tier I. These technicians are specialist over specific products or services.In remote support, a customer can join the remote session by entering user name and password or any other information for the security check.