Next time you need to connect to your server using your FTP client you can simply click connect. If your using Filezilla, click file then site manager and enter your FTP details into the site manager and save them. Connecting to your server using an FTP Client
If in doubt, ask your host for help on setting up an FTP account in cPanel. If you don’t use Firefox then download Filezilla or one of the premium FTP clients. If its a firefox addon then this step will be very easy.