Internet Explorer in all versions is a dangerous browser. It has many deficiencies and security vulnerabilities that make it unsafe.
You should instead use a current version of Chrome or
Firefox if you're using windows or Safari for the Mac.
This site will not function properly in Internet Explorer. Emails will not be sent, downloads will not function, assignments will not be
submitted...
How to Install Ruby on Windows
Step 1: How to Install Ruby on Windows
Download the Ruby Installer
The first thing you will need to do is go to rubyinstaller.org and download the ruby installer.
The screenshots used in this tutorial show version 1.8.7 but you should download the most recent version that is available or what your instructor has specified.