This is a short instruction on how to configure and run Custom Fields: Issue Picker
for your Jira instance.
You need to have Jira Administrator permissions to be able to follow these steps fully from start to finish.
Follow this procedure to download and install Custom Fields: Issue Picker on Jira instance.
Set up Custom Fields: Issue Picker and add extra fields into your issues using instruction here.
Bind related issues/tasks/etc and get a big picture view on a common task using instruction here.