TechTV experts Leo Laporte and Patrick Norton examine the step-by-step process of building a working computer customized to the viewer's needs. This video teaches viewers what is inside a PC, the pros and cons of building a system, the tools needed for construction, how to select components, and where to get good deals on PC parts. Viewers learn how to assemble a PC's components and how to connect all the cables. This is the ultimate guide on how to build a PC, from TechTV's resident gurus.