San Andreas definitely lives up to the Grand Theft Auto name. In fact, it's arguably the best game in the series
3.6 GB of free Hard Disk space for a minimal install
Video : 64MB Video Card with DirectX 9 compatible drivers ("GeForce3" or better)
DirectX 9 compatible Stereo Sound Card
Keyboard & Mouse
Processor : Intel Pentium 4 or AMD Athlon XP processor (or better)
RAM : 384(+) MB of RAM