This book requires you to have access to a Jira instance. Since we will be using a cloud version of Jira, you don't even need to install anything. Just sign up for a Jira Cloud instance and start following the book.
There are no prerequisites required to understand the Jira concepts mentioned in this book; however, a little awareness of agile and Service Desk, although not required, will help.
This book is written with a wide range of readers in mind. As long as you have the desire to learn Jira, this book will definitely help you.