Abstract: A method and system of installing licensed software on an end user's computer comprising having a program storage device and a unique computer identifier distinguishing the end user computer from other computers, e.g., a BIOS serial number or a network adapter address. The network computer contains a plurality of different software for license to end users and a database listing computer identifiers licensed to run the software. The end user computer sends to the network computer a command to run a program identifying to the end user computer the software listed as licensed by the computer identifier of the end user computer.