# Install multiple node red instance in same pc

**URL:** <https://discourse.nodered.org/t/install-multiple-node-red-instance-in-same-pc/83764>\
**Category:** General\
**Created:** [16 December 2023 18:28 UTC](https://discourse.nodered.org/t/install-multiple-node-red-instance-in-same-pc/83764 "2023-12-16T18:28:34Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![PRABHAKAR82](https://avatars.discourse-cdn.com/v4/letter/p/e47c2d/32.png) [@PRABHAKAR82](https://discourse.nodered.org/u/PRABHAKAR82)\
**Post date:** [16 December 2023 18:28 UTC](https://discourse.nodered.org/t/install-multiple-node-red-instance-in-same-pc/83764/1 "2023-12-16T18:28:34Z")

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How i can install multiple node red instance with different port number in a same window pc

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**Author:** ![TotallyInformation](https://sea2.discourse-cdn.com/flex026/user_avatar/discourse.nodered.org/totallyinformation/32/31_2.png) [@TotallyInformation](https://discourse.nodered.org/u/TotallyInformation)\
**Post date:** [16 December 2023 18:59 UTC](https://discourse.nodered.org/t/install-multiple-node-red-instance-in-same-pc/83764/2 "2023-12-16T18:59:42Z")

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The startup script allows parameters including directing the userDir folder and the port. Please read the docs for the details.

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**Author:** ![Colin](https://sea2.discourse-cdn.com/flex026/user_avatar/discourse.nodered.org/colin/32/17040_2.png) [@Colin](https://discourse.nodered.org/u/Colin)\
**Post date:** [16 December 2023 19:58 UTC](https://discourse.nodered.org/t/install-multiple-node-red-instance-in-same-pc/83764/3 "2023-12-16T19:58:05Z")

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Run  
`node-red --help`  
to see what the startup options are.

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**Author:** ![Steve-Mcl](https://sea2.discourse-cdn.com/flex026/user_avatar/discourse.nodered.org/steve-mcl/32/4826_2.png) [@Steve-Mcl](https://discourse.nodered.org/u/Steve-Mcl)\
**Post date:** [16 December 2023 21:46 UTC](https://discourse.nodered.org/t/install-multiple-node-red-instance-in-same-pc/83764/4 "2023-12-16T21:46:14Z")

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Or search the forum. Been covered many many times

E.g [Node red multiple instances - #5 by Steve-Mcl](https://discourse.nodered.org/t/node-red-multiple-instances/9787/5)

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**Author:** ![system](https://us1.discourse-cdn.com/flex026/uploads/nodered/original/1X/d073cd938eafa2e558d7c2cd59003b3ef4963033.png) [@system](https://discourse.nodered.org/u/system)\
**Post date:** [30 December 2023 21:46 UTC](https://discourse.nodered.org/t/install-multiple-node-red-instance-in-same-pc/83764/5 "2023-12-30T21:46:51Z")

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