Go to this link and test if your system can handle that game xD
http://www.systemrequirementslab.com/bonus/a/register/t/analysis.tmpl
Heres my result for my 1 year old PC
CPU
Minimum: Pentium 4 2.5 GHz or Athlon XP 2000+ or better
You Have: AMD Athlon(tm) 64 Processor 3500+
PASS
CPU Speed
Minimum: Athlon CPUs require a performance rating of 2.0 GHz
You Have: 2.20 GHz Performance Rated at 3.50 GHz
PASS
System RAM
Minimum: 512 MB
You Have: 1022.5 MB
PASS
Operating System
Minimum: Windows XP
You Have: Microsoft Windows XP Professional Service Pack 2 (Build 2600)
PASS
Video Card
Minimum: 128 MB DirectX 9.0c compatible Video card with Pixel Shader 2.0 (ATI 9700 Pro+ or NVIDIA 6600+ or better)
You Have: Radeon X1900 Series (Radeon X1900 Series (0x7249))
PASS
Video Card Features - Minimum attributes of your Video Card
Video RAM: Required - 128 MB , You have - 512.0 MB
Video Card 3D Acceleration: Required - Yes , You have - Yes
Video HW Transform & Lighting: Required - Yes , You have - Yes
Vertex Shader Ver.: Required - 2.0 , You have - 3.0
Pixel Shader Ver.: Required - 2.0 , You have - 3.0
Video Card Driver Version (DirectX)
Your driver version number is: 6.14.10.6660
FYI: Make sure you have the latest driver for your video card. Click 'Free Driver Update' and we'll direct you to your video card manufacturer.
DirectX Version
Minimum: DirectX 9.0c (included)
You Have: 9.0c
PASS
Sound Card
Minimum: Yes
You Have: ATI T200 Unified AVStream Driver
PASS
Sound Card Driver Version
Your driver version number is: 6.14.10.1077
FYI: Your sound card driver version is provided for your information, but it is not part of this analysis. But proper sound card driver versions are important to the proper operation of your product.
Free Disk Space
Minimum: 5.5 GB
You Have: 65.7 GB
PASS
DVD
Minimum: 4X Speed DVD-ROM
You Have: LITE-ON DVDRW SHW-1635S USB Device
PASS, but the Speed could NOT be analyzed.