Check eBay, Craigslist, or local thrift stores. The PC DVD version exists.

Driver: San Francisco is currently unavailable for official free or paid digital download on PC. Ubisoft delisted the game from all major digital storefronts like Steam and Uplay in 2016, primarily due to the expiration of expensive car and music licenses. Availability Report Official Status : Delisted. You cannot buy it directly from digital stores. Online Services

When you type that keyword into Google, you will encounter several types of websites: