He was helping to repair computers when only six years old, and installing software like Windows 98 and Windows XP when he was only three, reports China Daily. He was able to use DOS systems and download computer games at the age of four. Niu is now studying VB.6.0 (visualbasic6.0), a university course for writing programs. His parents are primary school teachers and know little about computers. But Niu has spent a lot of time with his uncle, who is a computer technician.