Take your related lists to the next level. With Enhanced Related Lists, you can show up to 10 columns, resize and sort your columns, perform mass actions, and wrap text.
Where: This change applies to Lightning Experience in Essential, Group, Professional, Enterprise, Performance, Unlimited, and Developer editions.
How: From the related lists component in the Lightning App Builder, select Enhanced List from the Related List Type dropdown (1). You can customize how many records to display at once, and choose whether to show the list view action bar.
Choosing Enhanced List affects all related lists in the component (2). To customize which columns appear in a particular related list, edit the related list in the page layout editor and add more fields.
Read more here:- More than four fields in related list