Experience, training or licensing may be needed
Study the main types of software that system users will want–word processing, photo manipulation software, mail merge, spreadsheet, design and especially security software. Investigate all the components–monitor types in all their varieties; keyboards, from wired to ergonomic to wireless; mouse types; as well as peripheral components like printers and scanners. Become completely familiar with all the ISPs (internet service providers) available in the market area you plan to cover. Establish yourself as the guru who can meet the needs of the personal computer user, the small business or a larger corporation.