Searching for "free full version" downloads of non-existent sequels often leads to:
Sites asking for personal info to "unlock" the download. How to Play Freedom Fighters Safely freedom-fighters-3-pc-game-free-download-full-version
Some archival sites host the original 2003 demo if you wish to try it for free legally. If you'd like, I can help you find: Modern games with similar squad-based mechanics. Searching for "free full version" downloads of non-existent
No official sequel has been developed or released [5, 6]. No official sequel has been developed or released [5, 6]
Websites offering a "free full version download" of a third installment are likely distributing mislabeled as a sequel [4, 7]. Status of the Freedom Fighters Franchise 1. The Original Game Developer: IO Interactive. Release Date: September 2003 [5].
Programs that track your data or flood your PC with ads [4].
IO Interactive has expressed interest in the franchise, but they are currently focused on Hitman and Project 007 [6].