Install Brew on an Intel Mac

/bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"
echo 'export PATH="/usr/local/sbin:$PATH"' >> ~/.zshrc
source ~/.zshrc
/bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"
echo 'export PATH="/usr/local/sbin:$PATH"' >> ~/.zshrc
source ~/.zshrc

Usage #

1. Run the command above¹ in your terminal application of choice
2. If you have not installed the Xcode Command Line Tools, brew will automatically install them for you
3. After the installation completes, run brew doctor
4. If the output of brew doctor is Your system is ready to brew., you are done
5. If brew doctor returns issues, resolve them according to the provided instructions
6. You may want to set up Homebrew’s shell-completion² at this time