Before installing Lightdash CLI, you need to have NodeJS/NPM installed on your machine. To check that, run the following command in your terminal: 
node -v; npm -v;
# it should print something like:
# v20.8.0
# 8.15.0
Run the following on your terminal to install the Lightdash CLI. 
npm install -g @lightdash/cli
If you get an npm ERR! code EACCES error while installing the Lightdash CLI, follow this guide to resolve it.

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Updating the Lightdash CLI

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Update to the latest version

To update your Lightdash CLI to the latest version, run: 
npm update -g @lightdash/cli

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Update to a specific version

To update (or downgrade) to a specific version of the Lightdash CLI, run: 
npm install -g @lightdash/cli@VERSION_NUMBER
Replace VERSION_NUMBER with the desired version. For example: 
npm install -g @lightdash/cli@0.1743.1
You can check your current CLI version by running lightdash --version.

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Once you’ve installed the CLI tool, you’ll want to authenticate it

Check out the guide on authenticating your CLI tool (login and setup an active project).