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LEGO officially stopped supporting NXT in 2015, however, as of 2019, the original NXT programming software is still available on the official LEGO MINDSTORMS web page. The original NXT programming software and EV3 desktop programming software are both 32-bit, so cannot run on macOS 10.15. The new EV3 programming software based on Scratch does not work ...


The NXT is no longer for sale by Lego, and I don't think they offer technical support for the NXT platform anymore. However, the EV3 software does support NXT. If you can't connect the software to the brick, it might be a driver issue. You can download the official NXT "Fantom" driver from the downloads page of the Mindstorms website - just scroll down until ...


I had same issue with Windows 7. I double clicked on the "Bossa Program Port" driver and pressed "update driver", then selected the "LEGO MINDSTORMS NXT Firmware Update Mode" driver instead. Then it was possible to connect to "LEGO MINDSTORMS NXT 2.0" and update firmware. Original source of information:

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