
** The port will automatically default to 21 if left blank.

Here is a helpful article, How to Create an FTP Account in cPanel, to help you create an FTP account. You can also create your own FTP account in your cPanel if you wish. You will need your cPanel username and password to connect to your default FTP account. * When you purchase your hosting account, a default FTP account was created for you.

However, if you cannot find your Welcome email, here is how you can get the FTP credentials in your cPanel. For your FTP logins, the cPanel information is what you need, which is available in your HostGator Welcome email.
