There are many different ways to install an SSL Certificate, and they all depend on your SSL Certificate brand, the web server type, the operating system on your server, and the web hosting panel that you have on your server.
These being said, please check our Installation Articles to get detailed instructions on how to install your SSL Certificate on about 44 different server types, hosting panels and operating systems.
Also, here are links to documentation on how to install your SSL Certificate on your server, based on the SSL Certificate brand that you have:
We always recommend you to get specialized help with you SSL Certificate installation. If you have a web developer, or a system engineer, then they would be the right people to help you with your SSL Certificate installation.
If you want us to do the SSL Certificate installation for you, then we can definitely do that. We offer SSL Certificate installation services to our customers for a flat rate of $99.99 per domain per server.