How to Redirect HTTP to HTTPS in WordPress - Kinsta

WordPress HTTPS: How To Migrate Your Website From HTTP to HTTPS - Astra

Don't compromise on security by using WordPress HTTPS. Our step-by-step guide walks you through installing an SSL certificate and switching from HTTP to HTTPS.

How to Redirect WordPress from HTTP to HTTPS - Elegant Themes

With the certificate in hand, you'll need to go into your WordPress site settings to change your URL over to HTTPS. Go into Settings - General and find the fields marked WordPress Address (URL) and Site Address (URL). Change the URLs to read HTTPS.