42 Design and development of software solutions for updating, modifying, adapting and modernising host system environments; design and development of software solutions enabling users to update, modify, adapt, integrate, migrate and modernise legacy software systems; software as a service (SAAS) services, namely, software for updating, modifying, adapting, integrating, migrating and modernising host system environments and legacy software systems; maintenance and troubleshooting support services of software for updating, modifying, adapting, integrating, migrating and modernising host system environments and legacy software systems; computer integration services for the integration of heritage computer systems with more modern computer software, computer systems and computer software updates; deployment of computer software, namely, the installation and delivery of software for updating, modifying, adapting, integrating, migrating and modernising host system environments and legacy software systems; technical advisory services relating to computer software that is used for updating, modifying, adapting, integrating, migrating and modernising host system environments and legacy software systems; information, advisory and consultancy services in relation to all of the aforesaid