# Node-red-contrib-modbus needs visual studio to install !?

**URL:** <https://discourse.nodered.org/t/node-red-contrib-modbus-needs-visual-studio-to-install/46270>\
**Category:** General\
**Created:** [26 May 2021 11:05 UTC](https://discourse.nodered.org/t/node-red-contrib-modbus-needs-visual-studio-to-install/46270 "2021-05-26T11:05:19Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![Utorque](https://avatars.discourse-cdn.com/v4/letter/u/b77776/32.png) [@Utorque](https://discourse.nodered.org/u/Utorque)\
**Post date:** [26 May 2021 11:12 UTC](https://discourse.nodered.org/t/node-red-contrib-modbus-needs-visual-studio-to-install/46270/2 "2021-05-26T11:12:51Z")

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Actually, it seems to be needed to access to the serial ports ? This topic has the same issue :  
[https://discourse.nodered.org/t/unable-to-install-node-red-node-arduino/](https://discourse.nodered.org/t/unable-to-install-node-red-node-arduino/)

If there is a way to install the contrib without VS, I'd enjoy knowing it.

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_[View the full topic](https://discourse.nodered.org/t/node-red-contrib-modbus-needs-visual-studio-to-install/46270)._