Day 1 ยท Lesson 3 ยท
Do you have the latest version of Ruby & Rails? Check it out.
Do you forget how to open Terminal?
$ ruby -v
# This should return at least 2.x.x
$ rails -v
# This should return at least 4.x.x
$ git --version
# This should return at least 1.7.10 or higher
We've got you covered. Swing by our step-by-step guide for installing Rails: http://installrails.com/