Official specs from Steam
Crusader Kings II system requirements
Minimum and recommended PC specs as listed by the developer on Steam. Native macOS version available. Native Linux build available.
Minimum
| OS | Win7 64-bit |
|---|---|
| Processor | Intel® Pentium® IV 2.4 GHz or AMD 3500+ |
| Memory | 4 GB RAM |
| Hard Disk Space | 2 GB |
| Video Card | NVIDIA® GeForce 8800 or ATI Radeon® X1900, 512mb graphics memory required. |
| DirectX® | 9.0c |
| Sound | Direct X-compatible sound card |
| Additional | 3-button mouse and keyboard |
macOS minimum
| OS | 10.11 (El Capitan) |
|---|---|
| Processor | Intel Core Duo Processor (2GHz or better) |
| Memory | 4 GB RAM |
| Hard Disk Space | 2 GB |
| Video Card | ATI Radeon HD 6750 / NVIDIA GeForce 320 / NVIDIA GeForce 9600 or higher, 1024MB graphics memory required |
FAQ
What graphics card do I need for Crusader Kings II?
Minimum: NVIDIA® GeForce 8800 or ATI Radeon® X1900, 512mb graphics memory required..
How much RAM does Crusader Kings II need?
Crusader Kings II needs 4 GB RAM at minimum.
How big is Crusader Kings II?
Crusader Kings II requires 2 GB.
Does Crusader Kings II run on Mac or Steam Deck/Linux?
Yes, there is a native macOS version. A native Linux build is available.