You'll need to use your FTP software to move the files up a level to the public_html (or whatever the webspace foldername is ... htdocs, httpdocs, public_html, etc) folder.
Then you do the file edits as mentioned in the FAQ you quoted or the Wiki docs:
http://www.zen-cart.com/wiki/index.p...Change_Folders
http://www.zen-cart.com/wiki/index.p...Switch_Servers




