Homebrew is the package manager for MacOS(or linux). On devices using homebrew, you can easily install/update using the brew command.
/bin/bash -c "(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install.sh)"
If the Homebrew already exists or has been installed, install noir through the brew command.
brew install noir
# https://formulae.brew.sh/formula/noir