OS X

Requirements

OS X 10.8 or later
node.js v0.10.x
Command Line Tools for Xcode (run xcode-select --install to install)

Instructions

git clone https://github.com/atom/atom.git
cd atom
script/build # Creates application at /Applications/Atom.app

Troubleshooting

OSX build error reports in atom/atom

Use this search to get a list of reports about build errors on OSX.