RobotWare 5.61 is a specific version of the software. According to ABB's documentation, RobotWare 5.61 is a patch release that includes bug fixes, security updates, and some new features.
If you need the official installer for a system build or controller update, use these primary channels: robotware 5.61 download
When building a virtual controller in RobotStudio using RW 5.61, ensure you select the correct controller type (IRC5) that matches the hardware of the physical robot you are trying to emulate. RobotWare 5