Official specs from Steam

The Dark Pictures Anthology: House of Ashes system requirements

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

Minimum

NoteRequires a 64-bit processor and operating system
OSWindows 10
ProcessorIntel Core i5-4690K or AMD FX-8350
Memory8 GB RAM
GraphicsNvidia GeForce GTX 960, 4 GB or AMD Radeon R9 380, 4 GB
DirectXVersion 11
Storage65 GB available space
Additional NotesEstimated performance: 1080p/60fps with graphics settings at "Low". Framerate might drop in graphics-intensive scenes. - 64-bit processor and operating system are required.

Recommended

NoteRequires a 64-bit processor and operating system
OSWindows 10
ProcessorIntel Core i5-8400 or AMD Ryzen 5 1600
Memory12 GB RAM
GraphicsNvidia GeForce 2060 6 GB or AMD Radeon RX Vega 56, 8 GB
DirectXVersion 11
Storage65 GB available space
Additional NotesEstimated performance: 1080p/60fps with graphics settings at "High". Framerate might drop in graphics-intensive scenes. - 64-bit processor and operating system are required. - Windows 10 (Version 1809 or later) and a 4GB VRAM GPU (graphics board or video card) are required for DirectX 12 API.

FAQ

What graphics card do I need for The Dark Pictures Anthology: House of Ashes?

Minimum: Nvidia GeForce GTX 960, 4 GB or AMD Radeon R9 380, 4 GB. Recommended: Nvidia GeForce 2060 6 GB or AMD Radeon RX Vega 56, 8 GB.

How much RAM does The Dark Pictures Anthology: House of Ashes need?

The Dark Pictures Anthology: House of Ashes needs 8 GB RAM at minimum, 12 GB RAM recommended.

How big is The Dark Pictures Anthology: House of Ashes?

The Dark Pictures Anthology: House of Ashes requires 65 GB available space.

Does The Dark Pictures Anthology: House of Ashes run on Mac or Steam Deck/Linux?

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