Day of Defeat: Source System Requirements
Minimum system requirements:
1.7 GHz Processor
DirectX® 8.1 level Graphics Card (Requires support for SSE)
Recommended system requirements:
Pentium 4 processor (3.0GHz, or better)
DirectX® 9 level Graphics Card
Recommended peripheral: Mouse, Keyboard
There are only official system requirements on the site which are released by developers or an official publisher.
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