i cant find the addons button

hi guys i hope u getting a good day
i cant find the addons button i dont know why i just place the gear score addons and other ones and i cant find addons button in the characters list pls pls pls help me

Quoting from BLizzard:
"If you don’t see the Addon button it is likely that you have no addons installed or they are installed in the wrong place."