You can follow this guidefor this upgrade.
Ruby on rails mac.
Or get the free book learn ruby on rails.
If you re new to rails see what is ruby on rails.
Brew install rbenv ruby build.
It comes with the latest improvements from apple and it s completely free.
Ruby on rails is a great language and framework for creating highly interactive websites.
Discover how to set up rails and program in ruby on your apple mac.
To use rails on macos you ll need ruby an interpreter for the ruby programming language plus gems software libraries containing the rails web application development framework.
Execute the command below to install rbenv.
So you can install rails directly but to support various versions of ruby we ll install rbenv that is ruby version manager.