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

Usage

Run the command above in your terminal application of choice

If you have not installed the Xcode Command Line Tools, brew will automatically install them for you

After the installation completes, run brew doctor

If the output of brew doctor is Your system is ready to brew., you are done

If brew doctor returns issues, resolve them according to the provided instructions

You may want to set up Homebrew’s shell-completion at this time

Resources

Homebrew Documentation

Homebrew Documentation: Configuring Completions in zsh