A Mac running Mac OS X 10.10 or later, though earlier versions are sort of supported.Prerequisites to installing Homebrew on a Mac include the following:
Requirements for Installing Homebrew on Mac OS Contrast that to power users who practically live in a terminal environment, whether longtime Mac users or migrating to the platform from the Windows or Linux world, who will immediately see the value of Homebrew. While there’s no particular issue for novice users installing Homebrew on their Mac, the odds of novices finding it useful are slim, unless they intend to embark on learning the command line environment. This is obviously aimed at more technically savvy Mac users who spend a lot of time at the command line. Homebrew downloads and builds the package for you. For example, if you want to easily install favorite command line tools on a Mac like cask, htop, wget, nmap, tree, irssi, links, colordiff, or virtually any other familiar unix command line utility, you can do so with a simple command.