JIRA Service Desk 1.2 Documentation
JIRA Service Desk is a JIRA add-on, which makes it easy to install and set up through the Atlassian Marketplace. Visit the "Add-ons" section of the JIRA administration pages to install the plugin. If you need to configure your JIRA Service Desk log in to your account at http://my.atlassian.com.
Review these installation pre-requisites before you get started:
After you've installed JIRA Service Desk and began using it, you can disable a service desk for any specific project without uninstalling JIRA Service Desk. To disable a service desk for a project, go to the project administration page and use the Service Desk page to disable it.