In this video I show you how to install wordpress manually. Filezilla is for copying files from your computer to your website. PhpMyAdmin is for managing your database where all the content of your website is stored. In this video we will connect the Files of the website with the database. WordPress is the tool that let them communicate with each other.
I use Siteground in this tutorial to display how to do it. It should also work using other webhosting providers.