Building the best gaming computer will require a bit of knowledge on building computers in general as well as terminology for hardware, software, computer components and other aspects. To build the best gaming computer, be sure to stock up on all the necessary hardware including a case, accessories, a video card, RAM, a motherboard, and more. After this, you'll assemble your hardware inside of the computer using various tools. While buying computer parts, be sure to speak with an employee for extra advice.