Many videos on YouTube show you ONLY part of the solution however here I show you how to update your WordPress website from http to https using FREE Let’s Encript SSL Certificate. .htaccess file: https://www.dariopetkovic.com/convert-website-https-lets-encrypt-free-ssl-certificate/

“Your Connection to This Site is Not Fully Secure” after HTTPS SSL Certificate Installation
https://www.youtube.com/watch?v=AUHPrgvNthc
HOW TO UPDATE YOUR FREE LET’S ENCRYPT SSL CERTIFICATE: https://www.youtube.com/watch?v=rnXTU-cO6gI