While FLT is a reputable group within the scene, downloading .rar files from third-party sites carries significant risks:
FairLight is a historical "warez" group known for bypassing Digital Rights Management (DRM)—in this case, Steam's protection. The .rar file is a container used to distribute the game across file-sharing networks. Inside, you typically find a disk image ( .iso ) and a "Crack" folder containing modified binaries that allow the game to run without a valid Steam license.
The contents of the FLT folder (often an Application.exe and various .dll files) are copied and pasted into the game's installation directory, overwriting the original files. Safety and Risk Warning
Usually corresponds to the base game release or a specific major update (v1.0 or later). Technical Summary
Cracked versions cannot access official Steam patches, bug fixes, or online multiplayer features without specific "Steamworks" fixes.