First step in site protection is selecting the files to be protected. HTML Protect Center can process

Single file

- clear all files in File list (Clear All) and add the file that you want to protect ( Add );

User-defined file list

- clear all files in File list (Clear All);
- add any number of files ( Add );

Entire folder

- select the folder with html files (press "folder" button);
- press “Scan folder” button. All html files in specified folder will be added into File list;
- enable the “Include subfolder” option to scan all subfolders in specified folder.