42 Providing temporary use of online non-downloadable computer aided design (CAD) software and building information modeling (BIM) software for architects and interior architects, landscape architects and designers, urban planners, lighting and entertainment designers, and product and furniture designers; cloud computing featuring computer aided design (CAD) software and building information modeling (BIM) software for architects and interior architects, landscape architects and designers, urban planners, lighting and entertainment designers, and product and furniture designers; maintenance of computer aided design (CAD) software and building information modeling (BIM) software for architects and interior architects, landscape architects and designers, urban planners, lighting and entertainment designers, and product and furniture designers; upgrading of computer aided design (CAD) software and building information modeling (BIM) software for architects and interior architects, landscape architects and designers, urban planners, lighting and entertainment designers, and product and furniture designers; technical support services, namely, troubleshooting of computer aided design (CAD) software and building information modeling (BIM) software for architects and interior architects, landscape architects and designers, urban planners, lighting and entertainment designers, and product and furniture designers