@Megan
My warmest welcome to the community! Thanks for checking in with us here.
The app install command is not actually to be used within a Node environment, but is rather to be used within the terminal app.
It seems like your environment might not be set up for terminal commands, or you might just need to use the Terminal instead of putting the command in NodeJS. I’ve just tried to install this on my end, and had no issues, so I’m wondring if we can take a couple of steps to troubleshoot this further. Here’s what I would recommend testing:
Check if you have:
Homebrew - package manager for MacOS
NodeJS - server-side Javascript framework
NPM - package manager for node
Homebrew is a command-line package manager that lets you install (and update) programs on your Mac with minimum fuss. Here’s the homepage.
To do this, open the terminal app, paste the following code, and hit run:
/bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install.sh)"
You can also run the following commands to check the version of each app above:
node -v
npm -v
ngrok -v
I hope this helps. Let me know if this does the trick for you.
-Alex
Hi Alex, thanks for your reply and sorry for the slow response, I’ve been on holiday.
I’m actually on Windows, not Mac, and also tried running the command from the Command Prompt which also resulted in an error:
I have Node and NPM installed:

Any help is really very much appreciated!
@Megan
Got it, thanks so much for clarifying!
In that case, you might need to simply download the code package from GitHub directly, and not via the command. Could you please try following the guide on troubleshooting errors for our quickstart guides on Windows?
Windows Quickstart Integration Troubleshooting
This should do the trick for you.
-Alex
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