Space Tools Pro can be installed directly from your Jira instance.
Click on the cog icon on the top right bar and under Jira settings select Apps.
The Atlassian Marketplace page will be displayed, in the search bar type in Space tools Pro
The app will appear on the list, select it and start your free trial!
After confirming, the app will be ready to use and you're ready to get started!
Screenshot + Screencast
If you still have questions, feel free to refer to our support team.