GTA 4 Minimum

• Processor: Intel Core 2 Duo 1.8Ghz or equivalent AMD Athlon X2 64 2.4Ghz
• Memory/RAM: 1GB for XP and 1.5GB for Vista
• Video Card: 256MB NVIDIA 7900 or 256MB ATI X1900
• Hard Disk Space: 16GB free
• Operating System: Windows XP SP3 or Windows Vista SP1 

  GTA 4 Recommended System Requirements

  • Processor: Intel Core 2 Quad 2.4GHz or equivalent AMD Phenom X3 2.1GHz
  • Memory/RAM: 2.5 GB for XP or Vista
  • Video Card: 512MB NVIDIA 8600 or 512MB ATI 3870
  • Hard Disk Space: 18GB free
  • Operating System: Windows XP SP3 or Windows Vista SP1