While (2004) is a classic of the FPS genre, it is not currently available as a "freeware" title. To play the full version on PC today, you typically need to purchase it through official digital storefronts. Where to Get Far Cry (PC)

If you are looking for a specific or a demo version (which is free), I can help you find those official files instead.

: As the publisher, Ubisoft often bundles the original Far Cry with its newer sequels during franchise sales. Why You Should Avoid "Free Full Version" Sites

Because the game is over 20 years old, almost any modern laptop or desktop can run it at "Ultra" settings: