Official specs from Steam

Stronghold 4 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 or 11 (64 Bit)
ProcessorIntel® Core™ i5-4670 or AMD equivalent
Memory16 GB RAM
GraphicsNVIDIA® GeForce® GTX 1060 (3 GB)
DirectXVersion 12
NetworkBroadband Internet connection
Storage33 GB available space
Additional NotesSSD is Recommended

Recommended

NoteRequires a 64-bit processor and operating system
OSWindows 10 or 11 (64 Bit)
ProcessorIntel® Core™ i5-7600 or AMD equivalent
Memory16 GB RAM
GraphicsNVIDIA® GeForce® RTX 2060 (6 GB)
DirectXVersion 12
NetworkBroadband Internet connection
Storage33 GB available space
Additional NotesSSD is Recommended

FAQ

What graphics card do I need for Stronghold 4?

Minimum: NVIDIA® GeForce® GTX 1060 (3 GB). Recommended: NVIDIA® GeForce® RTX 2060 (6 GB).

How much RAM does Stronghold 4 need?

Stronghold 4 needs 16 GB RAM at minimum, 16 GB RAM recommended.

How big is Stronghold 4?

Stronghold 4 requires 33 GB available space.

Does Stronghold 4 run on Mac or Steam Deck/Linux?

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