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Nargo is the command-line tool for developing Noir programs. It handles project scaffolding, compilation, execution, testing, and more. The recommended way to install Nargo is via noirup.

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Install Nargo

1

Install noirup

Run the install script to fetch noirup and add it to your shell:
curl -L https://raw.githubusercontent.com/noir-lang/noirup/refs/heads/main/install | bash
On Windows, Nargo must be installed inside Windows Subsystem for Linux (WSL). The default backend (Barretenberg) does not provide native Windows binaries.
2

Install the latest Nargo

Run noirup to install the latest stable release:
noirup
3

Verify the installation

Confirm that Nargo is installed and on your PATH:
nargo --version
You should see output like nargo version = 1.0.0-beta.x.

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Update Nargo

To update to the latest stable release, run noirup again at any time: 
noirup

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Install a specific version

noirup lets you install any published release, a nightly build, or even build from source. 
noirup --version <version>

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Set up shell completions

Once Nargo is installed, you can enable tab completions for the nargo command. Generate the completion script for your shell using: 
nargo generate-completion-script [shell]
where [shell] is one of: bash, elvish, fish, powershell, or zsh. 
nargo generate-completion-script zsh > ~/.oh-my-zsh/completions/_nargo

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Uninstall Nargo

If you installed Nargo with noirup, remove its directories to fully uninstall it: 
rm -r ~/.nargo
rm -r ~/nargo
rm -r ~/noir_cache
This removes all installed Nargo binaries, configurations, and cached files.

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