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Portal System Requirements

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cpu:	Pentium 4/Athlon XP or better

CPU Speed:

1.7 GHz

ram:

512 MB

os:	Windows 2000/XP/Vista/7

Video Card:	DirectX 8 compatible video card (NVIDIA GeForce3+ / ATI Radeon 8500+)
Click here for the latest video card drivers

Sound Card:

Yes

Free Disk Space:

5 GB

cpu:	Pentium 4/Athlon XP or better

CPU Speed:

3 GHz

ram:

1 GB

os:	Windows 2000/XP/Vista

Video Card:	DirectX 9 compatible video card (NVIDIA GeForce 7900+ / ATI Radeon X1900+)
Click here for the latest video card drivers

Sound Card:

Yes

Free Disk Space:

5 GB