0. Make sure you have php (ie through MAMP) installed and in your PATH.
1. Download wp-cli.phar: curl -O https://raw.githubusercontent.com/wp-cli/builds/gh-pages/phar/wp-cli.phar
2. Make the file executable: chmod +x wp-cli.phar
3. Add wp to your PATH: sudo mv wp-cli.phar /usr/local/bin/wp

0. Make sure you have php (ie through MAMP) installed and in your PATH.
1. Download wp-cli.phar and save it to a folder, eg c:\wp-cli
2. Create a file named wp.bat in c:\wp-cli with the following contents:

   @ECHO OFF
   php "c:/wp-cli/wp-cli.phar" %*
   

3. Add c:\wp-cli to your PATH (eg setx path "%path%;c:\wp-cli")

_{see also: wp-cli docs}

0. Make sure you have php (ie through MAMP) installed and in your PATH.
1. Download and run the installer: curl -sS https://getcomposer.org/installer | php
2. Make the file executable: chmod +x composer.phar
3. Add composer to your PATH: sudo mv composer.phar /usr/local/bin/composer

0. Make sure you have php (ie through MAMP) installed and in your PATH.
1. Download and run the installer: Composer-Setup.exe
2. (Optional) "uninstall" the installer (anyway composer will remain..)
3. This entry C:\ProgramData\ComposerSetup\bin was already added to your PATH.

_{see also: composer docs}

Depending on operating system you may use the:

• Linux installer
• Mac installer
• Windows installer

_{see also: git docs}

Useful resources:

• downloads: Git, GitHub Desktop, Atom.io, MAMP, wpackagist
• docs: Git, GitHub Desktop, Atom.io, MAMP, MySQL, Apache, PHP, WP-CLI, Composer, wpackagist, bash, Windows Subsystem for Linux
• tools: WP Gear