To add an admin to a Facebook page, first, go to the Pages option in the left-hand column on Facebook.com. If you don't see it, click on See more and scroll through the options.

Anyone who's an admin can add fellow admins to a page. On your News Feed, navigate to your Facebook menu, which can be found in the upper lefthand corner of your screen.

Add Facebook page admins on the mobile app or website Tap the menu or profile icon in the upper-right corner. Tap the drop-down arrow beside your account name to switch to your page.