NOTE: As with any Sims game, the more space and RAM you have the better. Why? Because they can be resource hogs and the more you add to the game, the more they will need.
The Sims 4 'Minimum' System Requirements
Processor: 2.0 GHz Intel Core 2 Duo, 2.0 GHz AMD Turion 64 X2 TL-62 or equivalent.
Memory: At least 2 GB RAM
Disk Space: 10GB of free space for game data, creations, and saves, more with each Expansion Pack (1GB+ each)
Graphics Card: 128 MB of Video RAM and support for Pixel Shader 3.0. NVIDIA GeForce 6600 or better, ATI Radeon X1300 or better, Intel GMA X4500 or better
Sound/DirectX DirectX 9.0c compatible. 99% will not have a problem with these unless using a very old version of Windows.
EA Recommended System...