To setup this feature, please do the following steps:
- Click on Appearance
- Then, click on Theme Options
- Finally, click on Signup & Singin

** NOTE: If you want use Social or Apple login then you must have Client ID and Client Secret
- Twitter Login: Appearance -> Theme options -> Twitter Settings https://help.highspeedblog.com/knowledgebase/how-do-i-get-a-twitter-consumer-key-and-consumer-secret-key/
- Facebook: Appearance -> Theme options -> Facebook Settings (https://help.highspeedblog.com/knowledgebase/how-to-get-an-app-id-and-secret-key-from-facebook/)
- With Apple: Appearance -> Theme options -> Signup and Signin -> Apple settings (https://help.highspeedblog.com/knowledgebase/how-get-clinet-id-client-secret-apple/)