42 updating of software for the capture and transfer of data for electronic payment transactions; consultancy services related to software in the field of e-commerce; consultancy services related to electronic systems for the capture and transfer of data for the electronic transfer of money from sales; provision of online technical support services to users of computer programs; cloud computing; consulting and advisory services in the field of computer software; consulting and advisory services in the fields of planning, development, research, rental and design of computer hardware; design, development, engineering, programming, rental, hosting and maintenance of databases and database software; application service provider services; performance of technical project studies in the field of computer hardware and software; conducting project studies relating to software; development of hand-held electronic devices and software for money management systems for the management, processing, monitoring and optimisation of payment transactions, in particular the authorisation and processing of payments by means of credit cards, debit cards, customer cards, bank cards and other cards or microchips containing bank account details; design and development of software in the field of finance for the execution of financial transactions, in particular the authorisation and processing of payments; design and development of software and systems for electronic payment transactions; design, development, programming, installation, implementation, maintenance, repair and updating of software; enabling the temporary use of non-downloadable software applications, in particular for the processing of electronic payment transactions; enabling the temporary use of non-downloadable authentication software to control access to and communication with computers and computer networks; research related to software; hosting of digital content; hosting of e-commerce platforms on the Internet; hosting of platforms on the Internet; hosting services, hosting; customisation of software packages; custom software customisation; maintenance of websites and hosting of online web facilities for third parties; programming of software for e-commerce platforms; software as a Service; technical support in the software field; computer hardware and software rental