Downloaded file, mounted iso with Daemon Tools,or with winrar, Installed (no key
required), went into the iso's folder, opened Razor1911 folder and
copied the exe file found in folder, go to the game's directory (where
you installed the game, for me it was C:>Program
Files>Ubisoft>Far Cry>bin), paste the copied exe file in folder
and confirm replacement, place shortcut of newly copied exe on desktop
and enjoy game! Works perfect ,without compatibility or "run as admin".