Official specs from Steam

NieR: Automata system requirements

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

Minimum

OS *Windows 7 /8.1 /10 64bit
ProcessorIntel Core i3 2100 or AMD A8-6500
Memory4 GB RAM
GraphicsNVIDIA GeForce GTX 770 VRAM 2GB or AMD Radeon R9 270X VRAM 2GB
DirectXVersion 11
NetworkBroadband Internet connection
Storage50 GB available space
Sound CardDirectX® 11 supported
Additional NotesMouse, keyboard and game pad (XInput only). Screen resolution: 1280x720. This product only supports MS-IME keyboard input. There is a possibility that other IME will not function correctly with it.

Recommended

OS *Windows 8.1 /10 64bit
ProcessorIntel Core i5 4670 or AMD A10-7850K
Memory8 GB RAM
GraphicsNVIDIA GeForce GTX 980 VRAM 4GB or AMD Radeon R9 380X VRAM 4GB
DirectXVersion 11
NetworkBroadband Internet connection
Storage50 GB available space
Sound CardDirectX® 11 supported
Additional NotesMouse, keyboard and game pad (XInput only). Screen resolution: 1920x1080. Depending on the monitor and PC graphics card environment and setup used, this title can expand its display resolution to 4K. However, please be aware that 4K resolutions are not officially supported. This product only supports MS-IME keyboard input. There is a possibility that other IME will not function correctly with it.

FAQ

What graphics card do I need for NieR: Automata?

Minimum: NVIDIA GeForce GTX 770 VRAM 2GB or AMD Radeon R9 270X VRAM 2GB. Recommended: NVIDIA GeForce GTX 980 VRAM 4GB or AMD Radeon R9 380X VRAM 4GB.

How much RAM does NieR: Automata need?

NieR: Automata needs 4 GB RAM at minimum, 8 GB RAM recommended.

How big is NieR: Automata?

NieR: Automata requires 50 GB available space.

Does NieR: Automata run on Mac or Steam Deck/Linux?

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