Schema.org kickstart is an installation profile featuring a few schema.org types set up in Drupal 7 using the schema.org module. It is the quickest way to get up and running with the Schema.org module. This package includes Drupal core 7.12 and all the necessary modules.
You will want to set up this install profile on a server accessible online if you want to test your pages with the Rich Snippets Testing Tool.
Note that this installation profile is mostly for testing at the moment. See the Schema.org module page for up to date information.
If you have an existing site, you might want to download the Schema.org module manually in your /sites/all/modules.