The Wayback Machine - https://web.archive.org/web/20170901091848/https://developer.xamarin.com/guides/testcloud/calabash/xcode7/configuring/
Test Cloud Calabash (Ruby) Using Calabash with Xcode 7

Configuring Your Local Environment

The documents in this section discuss how to configure your OS X or Windows workstation to use Calabash.

OS X

This guide explains how to install Calabash on OS X. It will also cover how to update to a more recent version of Ruby using rbenv and how to install the Xcode command line tools.

Windows

This guide will discuss how to install Ruby and Calabash on Windows.

Xamarin Workbook

If it's not already installed, install the Xamarin Workbooks app first. The workbook file should download automatically, but if it doesn't, just click to start the workbook download manually.