Configuring computer software, namely, configuring and adapting an interactive selling software-based system which allows a company's inside and outside sales representatives, distributors, and other sales channels to perform tasks related to selling to customers, and which allows the company's customers to perform such tasks for themselves, both either within the company's facilities, from a remote location, or via global interactive computer networks; said tasks include analysis of customer requirements; product, project and pricing configuration; generation of estimates, quotations, and proposals; sales forecasting and reporting; customer and prospect status tracking; and, access to product and service catalogs and other multimedia information sources