Read the instruction from GoDaddy:
Hosting Account FTP Information : https://www.godaddy.com/gdshop/ftpinfo.asp
" To upload your web site to your web hosting account you will need the following information:
1. FTP Address or Hostname: Your Domain Name
2. FTP Username & Password: You selected both of these during account creation
3. Start Directory: You should leave this blank or include a single forward slash (i.e. /)
4. FTP Port: You should enter Standard, or 21.
In order to upload your web site you will need FTP Client software OR Web Design Software with FTP capabilities."
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FileZilla FTP Tutorial - How to Upload Your Site with FileZilla
In this tutorial you learn how to upload your website using FileZilla, the popular free FTP application. FileZilla is available for Windows, Mac and Linux.
Read the full article here:
http://www.elated.com/articles/filezilla-tutorial/
Homepage of FileZilla: http://filezilla-project.org/
Ron