If you are starting a new site and/or want to use HTTPS everywhere on your site, you need to update your site URL in  Settings » General by updating your WordPress and site URL address fields.

Enable SSL for google maps from Theme options » Google Maps settings

If created API’s for social logins and payment options before to add SSL you must check them and change pages url added in it.

Help:

Paypal setup: https://helpv4.wpestatetheme.org/article/paypal-set-up/

Stripe setup: https://helpv4.wpestatetheme.org/article/stripe-set-up/

Google login: http://help.wpresidence.net/2015/10/29/enable-gmail-google-login/

Facebook login: https://helpv4.wpestatetheme.org/article/facebook-login/