Watch this video or follow the steps below.
Step 1: Click Search for records.
Step 2: Choose the record type you want to configure, I will choose Contact.
Step 3: Click on the record to view it.
Step 4: Click the 3 dots and then click Configure fields.
Step 5: Choose which fields you want to see and click the back button.
Step 6: Going forward whenever you view a contact record those fields you configured will display. You can always go back and add/remove fields anytime.