剛剛試了一下，用我的配備，畫面改成1024x768，其他都是預設值，很順暢。
PO一下官方的系統需求：
Minimum

CPU/Processor :
2.6GHz or Dual Core 2.4GHz with Onboard Graphics card (Intel Integrated Graphics)

Graphics Card :
128MB VRAM Graphics Card that supports DirectX 9.0d with Pixel-Shader 2.0 (ie; Nvidia GeForce 6200, ATI Radeon X1300, Intel 945GM)

RAM : 1GB

Hard Drive : 20GB

Sound Card : DirectX 9 Sound Card

Operating System :
Windows XP with Service Pack 3 or Windows Vista with Service Pack 1 DVD-ROM

DirectX : 9.0d (included with the game) 誰能解釋一下，這是啥？

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Recommended

CPU/Processor : Dual Core 2.4GHz

Graphics Card :
512MB VRAM Graphics Card that supports DirectX 9.0d with Pixel-Shader 3.0 (ie; Nvidia GeForce 8800GTX or higher, ATI Radeon HD 3800 or higher)

RAM : 2GB

Hard Drive : 20GB

Sound Card : 5.1 Surround Sound with DirectX 9 Sound Card

Operating System :
Windows XP with Service Pack 3 or Windows Vista with Service Pack 1 DVD-ROM

DirectX : 9.0d (included with the game)