Official specs from Steam

Tabletop Simulator system requirements

Minimum and recommended PC specs as listed by the developer on Steam. Native macOS version available. Native Linux build available.

Minimum

NoteRequires a 64-bit processor and operating system
OSWindows 10 64-bit 21H1+.
ProcessorSSE2 instruction set support.
Memory4 GB RAM
GraphicsGraphics card with DX10 (shader model 4.0) capabilities.
DirectXVersion 10
NetworkBroadband Internet connection
Storage3 GB available space
VR SupportSteamVR

Recommended

NoteRequires a 64-bit processor and operating system

macOS minimum

OSmacOS 12+.
ProcessorSSE2 instruction set support.
Memory4 GB RAM
GraphicsGraphics card with shader model 4.0 capabilities.
NetworkBroadband Internet connection
Storage3 GB available space

FAQ

What graphics card do I need for Tabletop Simulator?

Minimum: Graphics card with DX10 (shader model 4.0) capabilities..

How much RAM does Tabletop Simulator need?

Tabletop Simulator needs 4 GB RAM at minimum.

How big is Tabletop Simulator?

Tabletop Simulator requires 3 GB available space.

Does Tabletop Simulator run on Mac or Steam Deck/Linux?

Yes, there is a native macOS version. A native Linux build is available.