Activate https for wordpress using plugin :
You will need to install and activate a plugin first from wordpress. Please login to your wordpress admin area using the username and password . Once you are inside then you can simply go to Plugins and click Add New and then install and activate. We have given two which we tried and works for many users already using it. You can check the link below or type the plugins to install.
First you need to install and activate the plugin .
Also, you need to visit Settings » General page. From here you need to update your WordPress and site URL address fields by replacing http with https.
Simply save and its done.