How to Easily Move WordPress from HTTP to HTTPS (Beginner's Guide)

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.

How to Move HTTP to HTTPS on WordPress - WebsiteSetup

Update the Site Address. After moving the WordPress backend over to HTTPS, it's time to do the same for the remainder of your site. You can do that by updating your site address under Settings > General. Add https:// to the beginning of both the WordPress address and site address. Then update your settings by saving.

In-Depth HTTP to HTTPS Migration Guide for WordPress - Kinsta

Option 3: Redirect HTTP to HTTPS with the Really Simple SSL Plugin. The third option you have to redirect from HTTP to HTTPS is to use the free WordPress Really Simple SSL plugin: Really Simple SSL. We don't recommend this method as a permanent solution because third-party plugins can introduce another layer of problems and compatibility issues.