The installation package used in this book is the Windows Installer standalone distribution, which you can get directly from Atlassian at https:/​/​www.​atlassian.​com/software/​jira/​download for JIRA Software and https:/​/​www.​atlassian.​com/​software/jira/​service-​desk/​download for JIRA Service Desk.
You will also need additional software, including the Java SDK, which you can get from http://​www.​oracle.​com/​technetwork/​java/​javase/​downloads/​index.​html, and MySQL, which you can get from http:/​/​dev.​mysql.​com/​downloads.