Official specs from Steam

Call of Duty: World at War system requirements

Minimum and recommended PC specs as listed by the developer on Steam.

Minimum

Supported OSWindows XP/Vista/7
ProcessorPentium 4 @ 3 GHz/AMD 64 3200+
Memory512 MB (1 GB for Vista)
Hard Drive8 GB Free
DirectX versionDirectX 9.0c
Soundon-board or better
Graphics Card256 MB (nVidia GeForce 6600/ATI Radeon X1600)

FAQ

What graphics card do I need for Call of Duty: World at War?

Minimum: 256 MB (nVidia GeForce 6600/ATI Radeon X1600).

How much RAM does Call of Duty: World at War need?

Call of Duty: World at War needs 512 MB (1 GB for Vista) at minimum.

How big is Call of Duty: World at War?

Call of Duty: World at War requires 8 GB Free.

Does Call of Duty: World at War run on Mac or Steam Deck/Linux?

There is no native macOS version. There is no native Linux build (Proton compatibility may vary).