For our customers using our website hosting, we’ve made it easy for you to purchase and install an SSL certificate on your membership website. Simply login to your account and go to to Organization Settings > SSL. Then click on “Buy a 2-year Comodo Positive SSL certificate”. The cost is $20 for a 2-year certificate.
Once the certificate is installed, you should go into WordPress Settings > General and update the URLs to “https:” from “http:”. If you are using a third-party theme, you may need to install a plugin to “force” the pages to load over HTTPS; we recommend “WordPress Force HTTPS” for that purpose.
You can learn more about SSL and why you need it here.