You can legally acquire the game through the following platforms: Available for digital purchase on Steam .
is not currently available for a permanent free download. While the game was featured in the past as a "free" title for Xbox Games with Gold (August 2018), it currently requires a purchase on all official digital storefronts. Official Purchase & Play Options
The PS3 version was previously available for streaming on PS Now (now part of the PlayStation Plus catalog in certain regions).