|Yes. The server will automatically install a SSL certificate for you. If you are seeing 'not secure' in your browser, access your website via https vs http. If you still do not get the 'lock' in your browser but rather an 'i' with a circle around it, it usually means you have 'mixed' content on your website.
You can check what that is by going here and running a scan on the website: https://whynopadlock.com