force2992

Home Basic

1 GHz 32-bit (x86) or 64-bit (x64) processor
512 MB of system memory
20 GB hard drive with at least 15 GB of available space
Support for DirectX 9 graphics and 32 MB of graphics memory
DVD-ROM drive
Audio Output
Internet access (fees may apply)



Home Premium / Business / Ultimate  

1 GHz 32-bit (x86) or 64-bit (x64) processor
1 GB of system memory
40 GB hard drive with at least 15 GB of available space
Support for DirectX 9 graphics with:
WDDM Driver
128 MB of graphics memory (minimum)
Pixel Shader 2.0 in hardware
32 bits per pixel

以上是官方网站提供的系统要求数据，你的PC有达到要求吗？尤其RAM 是十分重要的。有玩大GAME的话 要 2GB RAM。 1GB  RAM 的话 RAM 一定要跑DUAL CHANNEL。