Abstract: A network client such as a WWW browser configured to facilitate a windowed content manifestation environment (CME) which is configured to operate within a data processing system and to receive content from a remote server system to facilitate a windowed content manifestation environment. In particular, the customized WWW browser application includes a content retrieval module configured to receive content from a network server system via an electronic data network, and a processing engine coupled to the content retrieval module. The processing engine is configured to provide a content manifestation environment within the data processing system, and to process the content to produce at least one corresponding window object within the content manifestation environment. The corresponding window object(s) are configured to manifest at least a portion of the content therein.