Installing the Slack and Jira Plugins
  1. In Jira, navigate to the “Manage Apps” menu under app settings
  2. Enable development mode (from the settings menu below the list of user installed apps)
  3. Refresh the page. An “Upload app” button will appear.
  4. Upload the Jira plugin using this URL: https://jira.plugin.creatros.com/install
  5. Install the Slack plugin by following this link or clicking on the button: Add to Slack
  6. Contact us at [email protected] with your Jira instance URL and your Slack workspace URL to link the plugins

A video walk-through of the Jira installation is available here. For the linking step, your Jira instance URL should look something like mycompany.atlassian.net, and your Slack URL like mycompany.slack.com.