If you are running the mod on Windows 10 or 11, you may need to right-click the .exe file, go to Properties , and set the Compatibility Mode to Windows XP or Windows 98/ME to prevent crashes. Official Game System Requirements

A common step for this specific mod involves copying the Audio folder from your original Vice City directory into the new Underground folder to ensure music and sounds work correctly.

New textures and lighting effects to give the city a more modern, "underground" feel.

You must own the base game. It can be purchased legally through the Rockstar Games Launcher or found on sites like Amazon .

Updated radio stations or tracks that fit the racing theme. How to Install the Underground Mod

This mod is designed to overhaul the classic Vice City experience by introducing a heavy focus on street racing culture. Key features typically included in this "Underground" overhaul are:

Even with mods, the base game is very lightweight by modern standards: 800 MHz Intel Pentium III or AMD Athlon. Memory: 128 MB RAM.

New vehicles with tuning options inspired by street racing games.