To log in through FTP (FileZilla). You should know the primary credentials of your web hosting. Follow the video tutorial below.
This video is so outdated. Please redo it. I have been trying to get ftp working not for 4 years, but going one 8. Hellllllllllllp meeeeeeeeee.
Welcome, both of you, to the Community!
Here are some instructions that should help you in using FTP to upload your files to a cPanel hosting plan.
If you prefer video, you can watch an overview here.