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 in OSX
Step 3: How to Install Ruby in OSX
Install Git
Install Git using the following command from the terminal application (applications/utilities/terminal):