A A A PrintVideo tutorialhttps://faq.icto.um.edu.mo/wp-content/uploads/2018/08/P01001.mp4( If your browser cannot play this video properly, please click the below button to play. )Step-by-step tutorialClick the arrow icon at the top-right corner nearby your profile picture. Then click the arrow icon of “Settings”. Click the menu item “General”.Select your preferred options in “Friends control”.Click the button “Save”.