Before you start to create your store, you need to make sure your customers' details are secure. You do that by obtaining an SSL certificate for your site.
To set up SSL in WordPress, you'll need to carry out two steps:
Buy an SSL certificate for your domain.
Add SSL to your WordPress installation, either via a plugin or by editing your
wp-config.phpfile.
Most hosting providers or domain registrars will sell you an SSL certificate, which is normally the simplest way to go about it as they will complete the configuration with your domain name. Some hosting providers don't offer SSL certificates (notably, the cheaper ones), so it's worth checking when you're shopping around for hosting. Alternatively, if you want to do this yourself, you can buy one direct from an SSL certificate provider.
When you're buying your certificate, you'll have a few options to choose from:
Standard SSL Certificates: These are sufficient for standard WordPress...