README_mac.txt for version 9.0 of Vim: Vi IMproved. This file explains the installation of Vim on MacOS systems. See "README.txt" for general information about Vim. To build from source get the files with git from https://github.com/vim/vim. The find the instructions in src/INSTALLmac.txt. Installing Vim using Homebrew: 1. Install Homebrew from http://brew.sh/ 2. Install the latest Vim with: brew install vim