How to install Homebrew on macOS
Open Terminal
Open the Terminal app. Using Spotlight, hit cmd + space bar and search for Terminal.
Paste the following
/usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
To update Homebrew
To update Homebrew, run:
brew update
To upgrade Homebrew
To upgrade local packages, run:
brew upgrade