In WordPress securing your website is very important. There are many ways to secure your website and one best way is to migrate them to https.
There are tons of information on how you could know about https. HTTPS is a layer of protection which are categorized into three (Encryption, Data Integrity, and Authentication).
For the newbie you need to understand about .htaccess is found into your server. To learn more about this information you can check this htaccess information. Those that can easily understand about .htaccess you can do the following to redirect all of your http to https.
Starting from the “RewriteEngine On” line it would go like this:
RewriteEngine On
RewriteCond %{HTTPS} !=on
RewriteRule ^ https://%{HTTP_HOST}%{REQUEST_URI} [L,R=301]
After modifying your .htaccess information you also need to go to your wp-admin and go to your “Network Admin” and change all of your http url to https. If you’re knowledgable about your database you can directly access your database and change all of your http to https.
This way you can be able to migrate your http to https smoothly.