Solving this used to involve updating all your images so they would be stored using https:// and often also editing theme files where http:// was hard coded into the theme for items such as fonts etc.
The good news is it is now very straightforward to sort this out!
What can I do?
We have a guide which takes you through the steps to take to successfully convert your WordPress website to https:// and show “Secure” in a browser.
You can read this guide HERE
Useful information: –
Follow the guide in its entirety step by step!
If you use PAC for your hosting then you will already have a free Lets Encrypt™ SSL certificate so this will work right away for you, If you use another host please check with them that you have an SSL certificate available!