42 Computer software consultancy; Computer software consultation; Computer software consulting; Computer software design; Computer software design and updating; Computer software design for others; Computer software design services; Computer software design, computer programming, and maintenance of computer software; Computer software development; Computer software development, computer programming and maintenance of computer software for retail management, including software based on artificial intelligence, machine learning, and big data technologies; downloadable software for retail management, software as a service (SaaS) featuring software for retail management, including software based on artificial intelligence, machine learning, and big data technologies; consulting services in the field of design, development, and implementation of software; technical support services, namely, troubleshooting of computer software problems, maintenance of computer software, and updating of computer software for others.; Computer software installation and maintenance; Computer hardware and software design; Computer programming and software design; Copying of computer software; Debugging computer software for others; Developing computer software; Developing and updating computer software; Development, updating and maintenance of software and database systems; Installation of computer software; Maintenance of computer software; Rental of computer game software; Repair of computer software; Services for updating computer software; Testing of computer software; Troubleshooting of computer software problems; Up-dating of computer software; Updating of computer software; Upgrading of computer software; Writing and updating computer software