With new, innovative apps and programs dropping everyday, it pays to have a powerful computer. But forking out the cash for a pre-made rig can get expensive — especially when it's perfectly feasible to build your own at a much lower price point. Of course, not all of us have the IT acumen of a Windows technician, but you can give yourself the necessary know-how with the How to Build a Computer Bundle — now on sale for $19. Featuring five beginner-friendly courses, this collection will guide you through the steps and concepts crucial to creating a computer from scratch, or upgrading your current machine.