Official specs from Steam

Resident Evil system requirements

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

Minimum

OSWindows®10
ProcessorIntel® Core™ 2 Duo 2.4 GHz, AMD Athlon™ X2 2.8 GHz, or better
Memory2 GB RAM
GraphicsNVIDIA® GeForce® GTX260, ATI Radeon HD 6790, or better Monitor Resolution: 1024×768 or higher
DirectXVersion 9.0c
NetworkBroadband Internet connection
Storage20 GB available space
Sound CardDirectSound compatible (must support DirectX 9.0c or higher)
Additional NotesController: Supports Keyboard +Mouse. Genuine Xbox 360 PC compatible controller or comparable XInput-based gamepad recommended.Note: Some high end integrated graphics chips and modern gaming laptops with a discrete GPU may work but have not been tested, nor are they officially supported by Capcom.

Recommended

OSWindows®10 / Windows®11
ProcessorIntel® Core™ 2 Quad 2.7 GHz, AMD Phenom™ II X4 3.0 GHz or better / 11th Gen Intel(R) Core(TM) i9-11900 @ 2.50GHz (16 CPUs), ~2.5GHz,AMD Ryzen 7 2700X Eight-Core Processor (16 CPUs), ~3.7GHz
Memory4 GB RAM
GraphicsNVIDIA® GeForce® GTX 560, ATI Radeon HD 6950, or betterMonitor Resolution: 1280×720 or higher / NVIDIA GeForce RTX 2080 SUPER,AMD Radeon RX 6800
DirectXVersion 12
NetworkBroadband Internet connection
Storage20 GB available space
Sound CardDirectSound compatible (must support DirectX 9.0c or higher)
Additional NotesController: Supports Keyboard +Mouse. Genuine Xbox 360 PC compatible controller or comparable XInput-based gamepad recommended.Note: Some high end integrated graphics chips and modern gaming laptops with a discrete GPU may work but have not been tested, nor are they officially supported by Capcom.

FAQ

What graphics card do I need for Resident Evil?

Minimum: NVIDIA® GeForce® GTX260, ATI Radeon HD 6790, or better Monitor Resolution: 1024×768 or higher. Recommended: NVIDIA® GeForce® GTX 560, ATI Radeon HD 6950, or betterMonitor Resolution: 1280×720 or higher / NVIDIA GeForce RTX 2080 SUPER,AMD Radeon RX 6800.

How much RAM does Resident Evil need?

Resident Evil needs 2 GB RAM at minimum, 4 GB RAM recommended.

How big is Resident Evil?

Resident Evil requires 20 GB available space.

Does Resident Evil run on Mac or Steam Deck/Linux?

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