How to install Ruby on Rails offline in Windows 7 and use WEBrick as web server

When online

1. Download railsinstaller-2.2.1.exe from http://railsinstaller.org/
2. Download uglifier-2.2.1.gem from http://rubygems.org/gems/uglifier

When offline (on another computer)

1. Execute railsinstaller-2.2.1.exe
2. Open command window
3. Using the command window, navigate to the directory where uglifier-2.2.1.gem is saved

                                 cd <path where uglifier-2.2.1.gem is saved>

4. Type the following command:

                                gem install --local uglifier-2.2.1.gem

5. Create your Rails site with the following command:

                                rails new <name of your site>

6. Using the command window, navigate to the directory of your site:

                                cd <path of your site>

7. While inside your site's directory, run the web server (WEBrick):

                                rails server

8. Open your web browser to view your site: http://localhost:3000/