Official specs from Steam
Grand Theft Auto III system requirements
Minimum and recommended PC specs as listed by the developer on Steam.
Minimum
| OS * | Microsoft® Windows® 2000/XP |
|---|---|
| Processor | Pentium III® 450 MHz CPU |
| Memory | 96 MB RAM |
| Graphics | 16 MB Direct 3D Video Card |
| DirectX Version | Microsoft DirectX® 8.1 |
| Hard Drive | 500 MB uncompressed free hard disk space |
| Sound Card | Fully DirectX compatible Sound Card |
| Processor | 700 MHz CPU |
| Memory | 128 MB RAM |
| Graphics | 32 MB Direct3D Video Card |
FAQ
What graphics card do I need for Grand Theft Auto III?
Minimum: 16 MB Direct 3D Video Card.
How much RAM does Grand Theft Auto III need?
Grand Theft Auto III needs 96 MB RAM at minimum.
How big is Grand Theft Auto III?
Grand Theft Auto III requires 500 MB uncompressed free hard disk space.
Does Grand Theft Auto III run on Mac or Steam Deck/Linux?
There is no native macOS version. There is no native Linux build (Proton compatibility may vary).