PC requirements

Grand Theft Auto III System Requirements

Grand Theft Auto III needs at least Pentium III® 450 MHz CPU, 96 MB RAM and 16 MB Direct 3D Video Card graphics.

Verified Sources: Steam store listing
Grand Theft Auto III minimum and recommended PC specifications
Component Minimum
Operating system Microsoft® Windows® 2000/XP
Processor Pentium III® 450 MHz CPU
Memory 96 MB RAM
Graphics 16 MB Direct 3D Video Card
Storage 500 MB uncompressed free hard disk space
Additional notes Fully DirectX compatible Sound Card
Not sure how your PC compares? Use the Can I Run It checker — pick your CPU and GPU and it tells you which column you land in.
Playing on a handheld instead? Players report Grand Theft Auto III as Gold on Steam Deck and Linux.

Other platforms

Grand Theft Auto III is also available on these systems, where hardware is fixed and no per-PC check is needed:

Quick answers

Running Grand Theft Auto III on PC

Can my PC run Grand Theft Auto III?
Compare your CPU, GPU and RAM against the minimum column below. If your parts match or beat every minimum row, the game will launch — though you may need to lower settings. Matching the recommended column is what gets you 60fps at 1080p.
How much storage does Grand Theft Auto III need?
500 MB uncompressed free hard disk space