Official specs from Steam

Little Nightmares III system requirements

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

Minimum

NoteRequires a 64-bit processor and operating system
OSWindows 11
ProcessorIntel Core i5-6500 or AMD Ryzen 3 1200
Memory8 GB RAM
GraphicsNvidia GeForce GTX 1060 or AMD Radeon RX 580
Additional NotesLow 1080p @ 60 FPS

Recommended

NoteRequires a 64-bit processor and operating system
OSWindows 11
ProcessorIntel Core i5-8400 or AMD Ryzen 5 1600
Memory12 GB RAM
GraphicsNvidia GeForce RTX 2080, 8 GB or AMD RX 6800
Additional NotesHigh 1080p @ 60 FPS

FAQ

What graphics card do I need for Little Nightmares III?

Minimum: Nvidia GeForce GTX 1060 or AMD Radeon RX 580. Recommended: Nvidia GeForce RTX 2080, 8 GB or AMD RX 6800.

How much RAM does Little Nightmares III need?

Little Nightmares III needs 8 GB RAM at minimum, 12 GB RAM recommended.

Does Little Nightmares III run on Mac or Steam Deck/Linux?

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