: Ensure your GPU drivers (NVIDIA/AMD) are up to date to resolve graphical glitches or launch failures.
: Right-click the game's .exe file, go to Properties > Compatibility , and run it as an administrator or in Windows 7 mode.
: Frequently features the Mafia: Trilogy or individual titles during seasonal sales.
If you are having trouble running a legitimate copy of the game, try these steps instead:
: Another reliable source for the Definitive Editions of the franchise. Troubleshooting Official Versions