While it might be tempting to jump right on in, you would need to do some research. This is mostly centered around your MySQL database which is required for WordPress. Some host?s require a fully qualified domain? while others will use LocalHost. You would need to know which one. You would also need to know your database, UID, and password. If you can have say in what this information is, then I would recommend that you make your database as you_tld. In example, the database for this domain is fsp_fyi. MySQL databases do not support periods as valid databases. Make your user name, and password anything you would want it to be.
You would also need to know your FTP settings. This will be an FTP server, UID, and password. This information might be different than your MySQL credentials, so you should make note of that. Create a profile for your website in your FTP client. This will allow you to log in any time you need to. You would obviously need an FTP client which there are free clients for most OSes, and you should be able to find something that will work for you. Again, always save your site’s profile when setting up your FTP client.
Next, you will need to know how your host identifies your website. In most cases, every website will have a unique folder. For example, on my account, the folder for this website is wp.fsp.fyi. As you can see, the folder name is descriptive enough to know that the folder for this website is the folder name. Any files uploaded in wp.fsp.fyi will be accessible by going to that file name in https://wp.fsp.fyi. This is important to make sure you get it correct especially if you would be having multiple websites.