Abstract: A program installation system and method allowing a diskless computer device to perform program installation is proposed, the method comprising: establishing a booting unit and a memory section in the computer device, a DHCP server comprising a network information database for storing network setting information, and a storage server comprising a program storage section for storing at least one program and a information storage section for storing information sent from the network system; issuing a booting request by the booting unit; the DHCP server sending network setting information to the computer device in response to receiving the booting request; the computer device storing the network setting information in the memory section and issuing a program installation request based on the stored network setting information; the storage server storing information of the memory section in the information storage section and storing a network address of the storage server to the booting unit in response to recei