How to I change my profile pic

Please someone help me. How to you change your profile picture?

We can see it.  But in order for you to see it you have to hit function+ something... I cant remember which number button it is, lemme see if I can find out.

go to the left top of your profile pic. click the "customize profile" then click change avatar and then serch your pic and uploged. and that`s it.

Thanks girls!