Changes

# Install [https://developer.apple.com/xcode/ Xcode] command line tools by running <code>xcode-select --install</code> from the App Store. You might be asked to agree to the license terms at the command line, and must do so to proceed.terminal# Install the [http://brew.sh/ Homebrew] package manager by following the instructions at their website, which will prompt you to install the Xcode command-line tools (required).