Abstract: A system and method for installing and/or testing software for a build-to-order computer system having a plurality of components includes a plurality of elements. The computer system has an associated step sequence. The step sequence includes a plurality of steps where each step includes at least one command and a step is associated with a respective software component descriptor. The at least one command can be in more than one computer software language. A software component descriptor corresponds to installing a respective software component on the computer system. The method includes accessing the at least one command within the step sequence; determining a corresponding computer software language associated with the at least one command; executing the at least one command in the corresponding computer software language to install the respective software component; and repeating the accessing, determining and executing for the plurality of steps.