# Launch() function does not work

**URL:** <https://discourse.processing.org/t/launch-function-does-not-work/37459>\
**Category:** Coding Questions\
**Created:** [June 10, 2022, 6:47pm UTC](https://discourse.processing.org/t/launch-function-does-not-work/37459 "2022-06-10T18:47:00Z")\
**Posts on this page:** 1\
**Showing post:** 8

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**Author:** ![glv](https://yyz2.discourse-cdn.com/flex036/user_avatar/discourse.processing.org/glv/32/18785_2.png) [@glv](https://discourse.processing.org/u/glv)\
**Post date:** [June 13, 2022, 12:09am UTC](https://discourse.processing.org/t/launch-function-does-not-work/37459/8 "2022-06-13T00:09:49Z")

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Hello,

This may be of interest to Windows users:

> [@Can you start a sketch with Arduino button?](https://discourse.processing.org/t/can-you-start-a-sketch-with-arduino-button/37494/12):
>
> Hello, Updates… I did some testing on Windows 10 Pro and added comments to sketch below: // This will launch a Processing 4.0b8 sketch when run on Processing 3.5.4 or 4.0b8: //launch("D:/Program\_Portable/processing-4.0b8/processing-java --sketch=/Users/me/Documents/Processing4b8/Grid\_diagonals\_1\_0\_2 --run"); // This will launch a Processing 3.5.4 sketch when run on Processing 3.5.4 or 4.0b8: //launch("D:/Program\_Portable/processing-3.5.4/processing-java --sketch=/Users/me/Documents/Processin…

Tested on Windows 10 Pro.

`:)`

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