In order for you to play MX vs. ATV Reflex on Windows with minimal graphics settings, your computer must meet the following requirements
OS *:
Windows XP, Vista, Windows 7
Processor (CPU):
Athlon 64 Processor 3800+ 2.4Ghz or better, Intel Pentium 4 530 3.0 Ghz Processor or better
Memory (RAM):
1GB XP, 2GB Vista/Windows 7
Graphics Card:
NVIDIA GeForce 8000 series 256MB graphics card or better, ATI Radeon HD 2000 series 256MB graphics card or better
DirectX®:
Latest 9.0c or better
Hard Drive:
8GB
Sound:
Windows compatible sound card