42 Design and development of computer hardware and software, in particular the design and maintenance of websites, for others, consultancy with regard to the design of home pages and websites, design and creation of home pages and websites, computer programming, namely, the creation of computer animation, updating of Internet webpages, computer software design, installation of computer programs, updating of computer software, installation and maintenance of computer software, configuring computer networks by means of software, computer software consultancy, computer programming, updating of software