“design” may be a substantive referring to a categorical abstraction of a created thing or things (the design of something), or a verb for the process of creation as is made clear by grammatical context. It is an act of creativity and innovation.
Installation (or setup) of a computer program (including device drivers and plugins), is the act of making the program ready for execution.
Maintain and maintain hardware and software that are diverse and complex according to each organization. To continue to work consistently and efficiently with SLA (Service Level Agreement)