Official specs from Steam
Grand Theft Auto IV system requirements
Minimum and recommended PC specs as listed by the developer on Steam.
Minimum
| OS | Windows 10 (64-bit) |
|---|---|
| Processor | Intel Core 2 Duo 1.8GHz, AMD Athlon X2 64 2.4GHz |
| Memory | 1.5GB |
| Graphics | 256MB Nvidia 7900 / 256MB ATI X1900 |
| DirectX Version | DirectX 9.0c Compliant Card |
| Hard Drive | 22GB of Hard Disc Space |
| Sound Card | 5.1 Channel Audio Card |
FAQ
What graphics card do I need for Grand Theft Auto IV?
Minimum: 256MB Nvidia 7900 / 256MB ATI X1900.
How much RAM does Grand Theft Auto IV need?
Grand Theft Auto IV needs 1.5GB at minimum.
How big is Grand Theft Auto IV?
Grand Theft Auto IV requires 22GB of Hard Disc Space.
Does Grand Theft Auto IV run on Mac or Steam Deck/Linux?
There is no native macOS version. There is no native Linux build (Proton compatibility may vary).