Zoo Tycoon 2 Ultimate Collection Patch Francais -

“Patch Français – Collection Ultime – Fonctionne pour toujours.”

He clicked it.

There is no official "patch" released separately by Microsoft or Blue Fang Games to add French to the Ultimate Collection in English. The French language was included only in specific regional releases (e.g., French CD/DVD versions of Zoo Tycoon 2 and its expansions). Zoo Tycoon 2 Ultimate Collection Patch Francais