42 Design, programming, research and development, maintenance, updating, configuration and installation of software and computer systems as well as the provision thereof in electronic terminals and bar code reading and order entry terminals; maintenance, updating, configuration and installation of software and computer solutions facilitating point of sale and/or collection operations, namely, particularly orders and payments; fault diagnosis, troubleshooting, repair, upgrading and maintenance of software through the use of software; software rental; Software as a Service (SaaS); platform as a service (PaaS); developing software application solutions enabling team management; development of software solutions for Internet access providers and Internet users; advisory services (rendered by engineers and technicians) in the field of computer hardware and software intended to enable all types of activities such as restaurants, retail outlets, large-scale distribution, hospitality, leisure, cinemas, automotive washing stations, pharmacy, optics and healthcare to increase their sales and to assist in managing their development; configuration, programming, analysis, maintenance and updating of computer networks by means of software (services rendered by engineers and technicians); design, programming, development, maintenance, updating and installation of software for protection against any illegal access (services rendered by engineers and technicians); technical tests and checks of software (services rendered by engineers and technicians); designing documentation relating to software and training; data processing system rental services, namely, interactive touch screen display terminals and bar code reading terminals, order entry terminals and electronic terminals enabling the input and transmission of data intended for use in all types of activities such as restaurants, retail outlets, large-scale distribution, hospitality, leisure, cinemas, automotive washing stations, pharmacy, optics and healthcare; designing software and hardware for data processing in the field of indoor and outdoor interactive display; electronic storage of data for others