If you are MR Cloud Hosting customer you can install SSL to your website in just a few clicks, without any technical skill requirements.
Make sure your domain is pointing to the server. If your domain is not correctly pointing to the server it will not possible to install SSL Certificate.
Step 1 : Login to CPanel ->
Step 2 : Search for SSL Status ->

Step 3: Click on Run Auto SSL
Step 4: Done, you SSL is installed.
Now your site is using SSL, you can test SSL by using great SSL testing tools ssllabs.com, just enter your domain and it will validate your SSL. You can also open https://yourdomain.com to check SSL in your browser, but make sure you have cleared cache and cookies to avoid confusion before testing.You can also see that your website is accessible via http and https, you can force your website to be loaded over https though users have tried to access over http by modifying htaccess file available in the public_html directory.
Put following code in your htaccess file to force https.
RewriteEngine On
RewriteCond %{HTTPS} !=on
RewriteRule ^ https://%{HTTP_HOST}%{REQUEST_URI} [L,R=301]
How to Solve Mix Content Error
If you have installed SSL correctly and also found perfect via ssllabs.com, though if you are not getting Green Address bar in your browser, it may be due to Mix Content Error. You can also see this error in browser console if you are using chrome open console by Ctrl+Shift+ I.
This error is due to content from the non-secure connection (http) on Secured pages (https) web pages. If your webpage has any file from http, and your page URL is https, you will see this kind of error.
To solve this error you have to use https in all image, css and js files. If you are using WordPress you can solve this by installing a plugin SSL Insecure Content Fixer .
You can find more at https://developers.google.com/web/fundamentals/security/prevent-mixed-content/what-is-mixed-content
Find More Details at
https://mrcloudhosting.com/blog/doubts-about-ssl-and-https-you-should-clarify/