How to set See First in Facebook

When you select a person or Page to see first, their posts appear at the top of your News Feed.
The person or Page won’t know you selected them.
To use see first from your News Feed preferences:

  1. Click Prioritize who to see first
  2. Select a person or Page to see first
To use see first from a profile or Page:
  1. If you’re not already following the profile or Page, click Follow near their cover photo
  2. Hover over Following or Liked near their cover photo
  3. Select See First

    Note: You can select up to 30 people or Pages to see first. Your selections aren’t ranked (ex: your first selection isn’t seen first, your second selection isn’t seen second).

    Article source : https://www.facebook.com/help/1188278037864643

Refer Image below :

How to set SEE FIRST (smart phone view):

How to set SEE FIRST (desktop view) :