Hello, Abdulaziz,
Thank you for reaching out to us.
1/ Kindly refer to the following articles for guidance: https://www.8theme.com/documentation/xstore/woocommerce/enabling-user-registration-on-website/ https://www.8theme.com/documentation/xstore/troubleshooting/facebook-login/
2/ To edit sections in the mobile panel, please navigate to: Theme Options > Mobile panel > edit sections.
If you have any additional questions or concerns, please do not hesitate to reach out to us. Our support team is always available to assist you.
Warm Regards,
The 8Theme Team