How to change my friends invite permissions in Fortnite?

Start Fortnite

Select the Player icon (circle with avatar) in the top right corner

Select Settings (gear icon) in the right-hand column

Select Account and Privacy (person icon) at far right of top menu

Select Social Privacy in the left column

Review Friend Invite Permission
Pick who can send you friend requests: Anyone, Friends of Friends, or No One

Select Apply to save changes