From amember side enable facebook plugin in aMember CP -> Setup -> Plugins Then login into facebook, go to www.facebook.com/developers/ Enable developrs app, then create new app for your site (you will have to specify site url) After appp will be created facebook will provide two values: App ID: App Secret: which you need to include in plugin configuration within aMember. Login with facebook button will be available automaticlaly on signup page.