Official specs from Steam

Little Nightmares II 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 i5-2300 | AMD FX-4350
Memory4 GB RAM
GraphicsNvidia GeForce GTX 570, 1 GB | AMD Radeon HD 7850, 2 GB
DirectXVersion 11
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 i7-3770 | AMD FX-8350
Memory4 GB RAM
GraphicsNvidia GeForce GTX 760, 2 GB | AMD Radeon HD 7870, 2 GB
DirectXVersion 11
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 Little Nightmares II?

Minimum: Nvidia GeForce GTX 570, 1 GB | AMD Radeon HD 7850, 2 GB. Recommended: Nvidia GeForce GTX 760, 2 GB | AMD Radeon HD 7870, 2 GB.

How much RAM does Little Nightmares II need?

Little Nightmares II needs 4 GB RAM at minimum, 4 GB RAM recommended.

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

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