安装Ruby/DevKit 首先从 http://rubyinstaller.org/downloads/ 下载以下两个文件进行安装 rubyinstaller-1.9.3-p194.exe DevKit-tdm-32-4.5.2-20111229-1559-sfx.exe Ruby安装在D:\Ruby200, DevKit安装在D:\rubydevkit 打开CMD进入到DevKit目录，开始初始化安装 D:\rubydevkit>ruby dk.rb init [INFO] found RubyInstaller v2.0.0 at d:/Ruby200 Initialization complete! Please review and modify the auto-generated ‘config.yml’ file to ensure it contains the root directories to all of the installed Rubies you want enhanced by the DevKit. D:\rubydevkit>ruby dk.rb install [INFO] Updating convenience notice gem override for ’d:/Ruby200’ [INFO] Installing ’d:/Ruby200/lib/ruby/site_ruby/devkit.rb’ 替换Gem源 天朝网路可能会引起gem安装失败，建议更换为ruby.taobao,org源 $gem sources -r http://rubygems.org/ $gem sources -a http://ruby.