For the installation and upgrade recipes, you will need to have the latest Jira 8 distribution, which you can download directly from Atlassian at the following link:
http://www.atlassian.com/software/jira/download
You may also require several additional pieces of software, including the following:
- Java SDK: You can get this from http://java.sun.com/javase/downloads.
- MySQL: You can get this from http://dev.mysql.com/downloads.
For other recipes, the details of where you can obtain the necessary tools are provided in the respective recipe.