Official specs from Steam

Dark Souls III system requirements

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

Minimum

OS *Windows 7 SP1 64bit, Windows 8.1 64bit Windows 10 64bit
ProcessorIntel Core i3-2100 / AMD® FX-6300
Memory4 GB RAM
GraphicsNVIDIA® GeForce GTX 750 Ti / ATI Radeon HD 7950
DirectXVersion 11
NetworkBroadband Internet connection
Storage25 GB available space
Sound CardDirectX 11 sound device
Additional NotesInternet connection required for online play and product activation

Recommended

OS *Windows 7 SP1 64bit, Windows 8.1 64bit Windows 10 64bit
ProcessorIntel Core i7-3770 / AMD® FX-8350
Memory8 GB RAM
GraphicsNVIDIA® GeForce GTX 970 / ATI Radeon R9 series
DirectXVersion 11
NetworkBroadband Internet connection
Storage25 GB available space
Sound CardDirectX 11 sound device
Additional NotesInternet connection required for online play and product activation

FAQ

What graphics card do I need for Dark Souls III?

Minimum: NVIDIA® GeForce GTX 750 Ti / ATI Radeon HD 7950. Recommended: NVIDIA® GeForce GTX 970 / ATI Radeon R9 series.

How much RAM does Dark Souls III need?

Dark Souls III needs 4 GB RAM at minimum, 8 GB RAM recommended.

How big is Dark Souls III?

Dark Souls III requires 25 GB available space.

Does Dark Souls III run on Mac or Steam Deck/Linux?

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