Official specs from Steam

The Sims 4 system requirements

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

Minimum

NoteRequires a 64-bit processor and operating system
OS64 Bit Required. Windows 10
Processor3.3 GHz Intel Core i3-3220 (2 cores, 4 threads), AMD Ryzen 3 1200 3.1 GHz (4 cores) or better
Memory4 GB RAM
Graphics128 MB of Video RAM and support for Pixel Shader 3.0. Supported Video Cards: NVIDIA GeForce 6600 or better, ATI Radeon X1300 or better, Intel GMA X4500 or better
DirectXVersion 11
NetworkBroadband Internet connection
Storage26 GB available space

Recommended

NoteRequires a 64-bit processor and operating system
OS64 Bit Windows 10
ProcessorIntel core i5 (4 cores), AMD Ryzen 5 or better
Memory8 GB RAM
Graphics1 GB of Video RAM, NVIDIA GTX 650, AMD Radeon HD 7750, or better
DirectXVersion 11
NetworkBroadband Internet connection
Storage51 GB available space

FAQ

What graphics card do I need for The Sims 4?

Minimum: 128 MB of Video RAM and support for Pixel Shader 3.0. Supported Video Cards: NVIDIA GeForce 6600 or better, ATI Radeon X1300 or better, Intel GMA X4500 or better. Recommended: 1 GB of Video RAM, NVIDIA GTX 650, AMD Radeon HD 7750, or better.

How much RAM does The Sims 4 need?

The Sims 4 needs 4 GB RAM at minimum, 8 GB RAM recommended.

How big is The Sims 4?

The Sims 4 requires 26 GB available space.

Does The Sims 4 run on Mac or Steam Deck/Linux?

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