This is a guide how to install ruby on rails on your computer Windows or Mac OS X. For Windows users, you can watch a tutorials in video format from Sitepoint Video which is great tutorial or use tools for one-click installation ruby on rails.
View video How to install ruby on rails for Windows
For Mac OS X user
You can watch video tutorials on how to install ruby onrail from lynda.com or you can use a software that can install ruby on rails in one-click installation same as Windows users too).
To starting rails on Mac OS X
type this command
One-click-Installation tools for Linux