How to buy SSL Certificate?

If you are a blogger and your blog is on Google's Product Blogger.com, then you do not need to buy SSL certificate, Google provides it to you for free.

If your website is built on WordPress, then the company from which you will buy hosting provides you an SSL certificate. By the way, nowadays all hosting companies provide the facility of SSL certificate for free.

There are many companies online in the market that provide you SSL Certificate. Like Godaddy, Bigrock, Namecheap etc.