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Do not use go install github.com/andreimerlescu/igo@latest if Go is already installed — igo is a Go version manager and using it through go install can break your existing Go environment.
1

Download the binary

Download the igo binary for your platform using curl. The commands below install it to ~/bin/igo.
curl -L https://github.com/andreimerlescu/igo/releases/download/v1.1.1/igo-darwin-arm64 -o ~/bin/igo
macOS may quarantine the downloaded binary. Run the following command to remove the quarantine attribute before continuing:
command -v xattr 2> /dev/null && xattr -d com.apple.quarantine ~/bin/igo
2

Set permissions

Make the binary executable:
chmod +x ~/bin/igo
3

Add to PATH

Add ~/bin to your PATH so your shell can find igo:
export PATH=~/bin:$PATH
To make this permanent, add the same line to your shell configuration file (~/.zshrc or ~/.bashrc).
4

Verify installation

Confirm the binary is working:
igo -v
You should see output like:
v1.1.1 - igo open source at github.com/ProjectApario/igo

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