This is straight from the manual - either bookmark it or print it out, you will need it if you plan on doing any tinkering with scenarios or maps, etc. PERSONAL: The directory that serves as a repository for a user’s personal files. A typical path is: “C:\Documents and Settings\username\MyDocuments\ eSimGames\Steel Beasts” . For VISTA: “C:\Users\username\Documents\eSimGames\Steel Beasts” . The PERSONAL directory contains: Personal scenarios Saved images Exported files Mission reports Personal mods (e.g., skins and sounds) Saved Plans This directory is created for the user when he runs Steel Beasts for the first time. (Each user, of course, has his own PERSONAL directory.) This is the only directory that most users will have an interest in (to look at saved images, or read a mission report, for example). COMMON_APPDATA: The directory containing application data for all users. A typical path is “C:\Documents and Settings\All Users\Application Data\eSim Games\Steel Beasts”. For VISTA: “C:\ProgramData\eSimGames\Steel Beasts”. The COMMON_APPDATA directory contains Map files (Height and Terrain) Common (shared) scenario files The system administrator might want to restrict write-permission to this folder in order to prevent users from modifying these files. In this case, only users with write-permissions to this directory will be able to use the map editor. ********NOTE********* This folder is normally hidden. In order to see it, you will have to go to tools->folder options, select the view tab, and choose "show hidden files and folders in order to see it. ********************* APPDATA: The directory that serves as a repository for application-specific data. A typical path is: “C:\Documents and Settings\username\Application Data\ eSim Games\Steel Beasts”. For VISTA: "C:\Users\username\AppData\Roaming\eSim Games\Steel Beasts" The APPDATA directory contains Options file Records file (ppf file) LOCAL_APPDATA: The directory that serves as a data repository for local (nonroaming) applications. A typical path is “C:\Documents and Settings\ username\Local Settings\Application Data\eSim Games\Steel Beasts”. The LOCAL_APPDATA directory contains Temporary ground texture files PROGRAM_FILES: The directory containing those files necessary to run Steel Beasts. A typical path is “C:\Program Files\eSim Games\SB Pro”. Files within this directory should not be modified. Typically, only the system administrator has the permission necessary to modify these files, and hence to install Steel Beasts.