Since you can no longer buy it directly from the publisher, your safest options are:
is currently considered abandonware because it was delisted from digital storefronts like Steam and Ubisoft Connect in 2016. While you may find it on sites like Ocean of Games, those sources are often flagged for providing illegal downloads and potential security risks. Where to Safely Find the Game driver-san-francisco-pc-download-ocean-of-games
: Community-vetted repositories such as the Internet Archive often host copies of delisted games for preservation. Since you can no longer buy it directly