Before running the installer, ensure your hardware matches the requirements for your specific version. Note that the is significantly more demanding than the Classic release. Mafia II (Classic) Minimum Mafia II (Definitive Edition) Minimum OS Windows XP (SP2) / Vista / 7 Windows 10 (64-bit) Processor Pentium D 3GHz / Athlon 64 X2 3600+ Intel i5-2500K / AMD FX-8120 RAM GPU NVIDIA GeForce 8600 / ATI HD2600 Pro NVIDIA GTX 770 / AMD Radeon R9 280X Storage How to Properly Install Mafia II