Here are the system requirements for Mafia II: Definitive Edition -v1.0.1 GOG- MULTi:
While this edition improves many classic bugs, some technical hurdles remain: Physics Settings Mafia II- Definitive Edition -v1.0.1 GOG- MULTi...
You can purchase Mafia II: Definitive Edition directly from (owned by CD Projekt Red). The store page clearly lists the version number. Installation steps: Here are the system requirements for Mafia II:
The -v1.0.1 GOG- MULTi version of Mafia II: Definitive Edition is a specific release of the game that has been optimized for GOG (Good Old Games) users. This version includes a number of enhancements and fixes, including: This version includes a number of enhancements and
: Features 4K resolution support, improved textures, and enhanced lighting and shadows. MULTi Language Support
Exclusive Vegas, War Hero, and Renegade outfit packs.
: Unlike the original, this edition does not officially support Windows 7, though community workarounds exist. Silent’s Blog specific bug fixes in this version or how it compares to the Mafia II (Classic) Mafia II: Definitive Edition - GOG.com