Getting Ready with Windows

With Windows, you start by installing Ruby. Point your browser to http://rubyinstaller.org and click the big red Downloads button. This will take you to a page with a list of items, as shown in the following image.

images/setup/win_1.png

You install both Ruby and the Developer Tools from this page. From the list of Ruby installers, choose the one for Ruby 2.2.2 (or 2.2.x, where x is a number larger than 2). Don’t get the one labeled (x64).[4]

When you run the installer, you are first asked to accept the license. Then a dialog box, shown in the following figure, presents you with three check boxes. Check the two shown and continue.

The installer ...

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